Device Support-Lifespan Observatory

What vendors do, not what they announce.

ASUS

RT-AC1900P

End of support well evidenced

the vendor has said support is over

the vendor has declared end of support for this product

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Last firmware
12 May 2026 (5 months ago)
Releases seen
36
Update rhythm
about every 2 months
Support observed
≥8 years
Vendor's promise
no support period we can evaluate
Patch latency
not measurable — its changelogs name no CVE ids

Firmware history

  1. 3.0.0.4.386_52102 12 May 2026

    Release notes — disclosure 0.43 
    This model was end of its life, and its firmware, utility, website, and manual will no longer be updated. For more details, please refer to https://www.asus.com/event/network/eol-product/Security Fixes- Enhanced DNS name handling to address a potential memory issue that could occur in rare cases during name format conversion, improving system security and robustness.- Improved safeguards for execution modules to reduce the risk of substitution during certain processes.

    Archived page, fetched 29 September 2026

  2. 3.0.0.4.386_52062 27 October 2025

    Release notes — disclosure 0.42 
    - Enhanced system stability.- Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.- Mitigated security risks in AiCloud service by enforcing strict credential verification, implementing robust file path validation, and hardening command execution logic to prevent unauthorized access and manipulation of system resources.- Implemented comprehensive validation and expanded command filtering in the web history API.- Fixed a privilege escalation vector in the IFTTT token exchange mechanism- Strengthened input validation and directory handling in the VPN configuration upload interface.- Fixed an issue that allowed certain user settings to be bypassed, improving overall user control and protection.

    Archived page, fetched 29 September 2026

  3. 3.0.0.4.386_52048 19 August 2025

    Release notes — disclosure 0.45 
    Important: After installing this firmware, we strongly recommend performing a factory-default reset to activate every new security adjustment.Security Enhancements- Password Policy Upgrade – Minimum 10 characters with at least 1 letter, 1 digit and 1 special symbol, and no consecutive identical characters; hardens defence against brute-force attacks.- HTTPS on 8443 – Management interface now served over TLS by default.- UPnP Disabled – Universal Plug and Play starts in the off state for reduced surface exposure.- AiCloud Authentication Hardening (CWE-287) – Added layered verification.- Authentication Logic Refactor – Removed redundant code paths for a lean sign-in flow.- Memory Safety Guard (CWE-476) – Introduced null-reference protections across critical services.- Enhanced IPsec Parameter Validation – The existing input checks have been hardened.- Data Exposure Mitigation (CWE-200) – Reinforced controls on sensitive pathways.

    Archived page, fetched 29 September 2026

  4. 3.0.0.4.386_51733 10 March 2025

    Release notes — disclosure 0.57 
    This model was end of its life, and its firmware, utility, website, and manual will no longer be updated. For more details, please refer to https://www.asus.com/event/network/eol-product/1. Fixed the UI issue in Chrome.2. Fixed client binding issues in Mesh scenarios.3. Enhanced input parameter handling techniques to improve data processing stability and system security.4. Enhance system access control mechanisms.

    Archived page, fetched 29 September 2026

  5. 3.0.0.4.386_51729 14 February 2025

    Release notes — disclosure 0.32 
    1.Fixed the UI issue in Chrome.2.Fixed client binding issues in Mesh scenarios.

    Archived page, fetched 29 September 2026

  6. 3.0.0.4.386_51722 26 November 2024

    Release notes — disclosure 0.31 
    Resolved issues with customized icon functionality.

    Archived page, fetched 29 September 2026

  7. 3.0.0.4.386_51720 13 November 2024

    Release notes — disclosure 0.58 
    1. Strengthened input validation and data processing workflows to further protect information security.2. Enhanced AiCloud password protection mechanisms, safeguarding against unauthorized access attempts.3. Enhanced device security through improved buffer handling in connection features.4. Refined data handling processes, ensuring secure and accurate information management.5. Enhanced file access control mechanisms, promoting a more secure operating environment.6. Strengthened certificate protection, providing enhanced data security.

    Archived page, fetched 29 September 2026

  8. 3.0.0.4.386_51685 15 April 2024

    Cites CVE-2023-35720

    Release notes — disclosure 1.00 
    - Fixed command injection vulnerability.- Fixed the ARP poisoning vulnerability. Thanks to the contribution of Xin'an Zhou.- Fixed code execution in custom OVPN. Thanks to the contrubution of Jacob Baines.- Fixed the injection vulnerability in AiCloud.- Fixed stack buffer overflow in lighttpd. Special thanks to Viktor Edstrom.- Fixed CVE-2023-35720- Fixed the code execution vulnerability in AiCloud. Thanks to the contribution of chumen77.- Fixed the XSS and Self-reflected HTML injection vulnerability. Thanks to the contrubution of Redfox Cyber Security.*Please be advised that due to a security upgrade in AiMesh, we strongly recommend against downgrading to previous firmware versions, as this may lead to connection issues. Should you encounter any difficulties, resetting the AiMesh router to its default settings and re-establishing the mesh connection can resolve the problem.

    Archived page, fetched 29 September 2026

  9. 3.0.0.4.386_51668 30 November 2023

    Release notes — disclosure 0.38 
    1. Resolved an issue causing excessive log generation due to bwdpi issue.2. Fixed a potential issue causing higher CPU utilization.

    Archived page, fetched 29 September 2026

  10. 3.0.0.4.386.51665 11 May 2023

    Cites CVE-2023-28702, CVE-2023-28703

    Release notes — disclosure 1.00 
    Bug fixes and functionality modifications:-Resolved the issue with login and password changes.-Fixed the issue where Traffic Analyzer sometimes couldn't record data.Security updates:-Enabled and supported ECDSA certificates for Let's Encrypt.-Enhanced protection for credentials.-Enhanced protection for OTA firmware updates.-Fixed DoS vulnerabilities in firewall configuration pages. Thanks to Jinghe Gao's contribution.-Fixed DoS vulerabilities in httpd. Thanks to Howard McGreehan.-Fixed information disclosure vulnerability. Thanks to Junxu (Hillstone Network Security Research Institute) contribution.-Fixed CVE-2023-28702 and CVE-2023-28703. Thanks to Xingyu Xu(@tmotfl) contribution.-Fixed null pointer dereference vulnerabilities. Thanks to Chengfeng Ye, Prism Research Group - cse hkust contribution.-Fixed the cfg server vulnerability. Thanks to Swing and Wang Duo from Chaitin Security Research Lab. -Fixed the vulnerability in the logmessage function. Thanks to Swing and Wang Duo from Chaitin Security Research Lab C0ss4ck from Bytedance Wuheng Lab, Feixincheng from X1cT34m.

    Archived page, fetched 29 September 2026

  11. 3.0.0.4.386.51255 2 March 2023

    Cites CVE-2018-116010, CVE-2022-263769, CVE-2022-35401, CVE-2022-38105, CVE-2022-38393

    Release notes — disclosure 0.91 
    1.Fixed HTTP response splitting vulnerability.2.Fixed Samba related vulerabilities.3.Fixed cfg server security issues.4.Fixed Open redirect vulnerability.5.Fixed token authentication security issues.6.Fixed security issues on the status page.7.Fixed XSS vulnerability.8.Fixed CVE-2022-263769.Fixed CVE-2018-116010.Fixed IPv6-related bugs.11.Added a new login URL http://www.asusrouter.com to fixed the login issues.12.Optimize the AiMesh web interface13.Fixed network map UI bugs14.Fixed bugs related to Wi-Fi calling.15.Supported web history record exported.16.Fixed IPSec VPN server compatibility with Windows 10 VPN client.17.Improved AiMesh connection stability.18.Fixed IPTV issues.19. Fixed CVE-2022-35401 authentication bypass vulnerability.20. Fixed CVE-2022-38105 information disclosure vulnerability in CM process.21. Fixed CVE-2022-38393 DoS vulnerability in cfg_server.

    Archived page, fetched 29 September 2026

  12. 3.0.0.4.386.49703 20 July 2022

    Cites CVE-2018-1160, CVE-2022-26376

    Release notes — disclosure 0.84 
    1. Fixed CVE-2018-1160. Thanks to Steven Sroba2. Fixed CVE-2022-26376.3. Improved system stability.4. Added 3rd party DNS server list in WAN --> DNS to help users enhance the connection security.

    Archived page, fetched 29 September 2026

  13. 3.0.0.4.386.48262 25 March 2022

    Cites CVE-2022-07782, CVE-2022-23970, CVE-2022-23971, CVE-2022-23972, CVE-2022-23973, CVE-2022-25595, CVE-2022-25596

    Release notes — disclosure 0.91 
    1. Fixed OpenSSL CVE-2022-07782. Added more security measures to block malware.3. Fixed Stored XSS vulnerability. Thanks to Milan Kyselica of IstroSec.4. Fixed CVE-2022-23970, CVE-2022-23971, CVE-2022-23972, CVE-2022-23973, CVE-2022-CVE-2022-25595, CVE-2022-25596, CVE-2022-25596, 5. Added 3rd party DNS server list in WAN --> DNS to help users enhance the connection security.

    Archived page, fetched 29 September 2026

  14. 3.0.0.4.386.46065 27 January 2022

    Release notes — disclosure 0.49 
    Security- Fixed string format stacks vulnerability- Fixed cross-site-scripting vulnerability- Fixed informational vulnerability.Thanks to Howard McGreehan.-Fixed SQL injection vulnerability-Fixed json file traversal vulnerability-Fixed plc/port file traversal vulnerability-Fixed stack overflow vulnerabilityThanks to HP of Cyber Kunlun Lab-Fixed authenticated stored XSS vulnerabilityThanks to Luke Walker – SmartDCC-Fixed LPD denial of service vulnerability-Fixed cfgserver heap overflow vulnerability-Fixed cfgserver denial of service vulnerabilityThanks to TianHe from BeFun Cyber Security Lab.Added more ISP profile Digi 1 - TMDigi 2 - TIMEDigi 3 - DigiDigi 4 - CTSDigi 5 - ALLODigi 6 - SACOFAMaxis - CTSMaxis - SACOFAMaxis - TNB/ALLOFixed AiMesh guest network issues.Fixed DDNS issues where the WAN IP is IPv6Fixed UI bugs in Administration --> feedback. Fixed time zone error.

    Archived page, fetched 29 September 2026

  15. 3.0.0.4.386.45987 16 December 2021

    Cites CVE-2021-41435, CVE-2021-41436

    Release notes — disclosure 0.99 
    1. Fixed Let's encrypt related bugs. 2. Fixed httpd vulnerability 3. Fixed stack overflow vulnerability 4. Fixed DoS vulnerabilityThanks for the contribution of Fans0n、le3d1ng、Mwen、daliy yang from 360 Future Security Labs5. Fixed AiMesh web page multi-language issues.6. Fixed Stored XSS vulnerability.7. Fixed CVE-2021-41435, CVE-2021-41436.Thanks to Efstratios Chatzoglou, University of the AegeanGeorgios Kambourakis, European Commission at the European Joint Research CentreConstantinos Kolias, University of Idaho.8. Fixed Stack overflow vulnerability. Thanks to Jixing Wang (@chamd5) contribution.9. Fixed information disclosure vulnerability .Thanks to CataLpa from DBappSecurity Co.,Ltd Hatlab and 360 Alpha Lab contribution.10.Fixed XSS vulnerability11.Fixed SQL injection vulnerability12.Fixed PLC path traversal vulnerability13.Fixed Stack overflow vulnerability Thanks to HP of Cyber Kunlun Lab

    Archived page, fetched 29 September 2026

  16. 3.0.0.4.386.43129 21 May 2021

    Cites CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686, CVE-2020-25687

    Release notes — disclosure 0.73 
    1.Fixed the FragAttack vulnerability.2.Fixed DoS vulnerability. Thanks for Tsinghua University NISL's contribution.3.Improved system stability.4.Fixed GUI bugs.5.Security Fixed: CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686

    Archived page, fetched 29 September 2026

  17. 9.0.0.4.386.41994 1 February 2021

    Cites CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25684, CVE-2020-25685, CVE-2020-25687

    Release notes — disclosure 0.74 
    Security Fixed: Fixed CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686Please be noted this is a quick fix beta version for DNSmasq vulnerabilities. Refer to "Method 2: Update Manually" in https://www.asus.com/support/FAQ/1008000 to update this firmware.

    Archived page, fetched 29 September 2026

  18. 3.0.0.4.386.41634 18 January 2021

    Release notes — disclosure 0.55 
    1. Fixed Let’s Encrypt not working properly.2. Added IPTV supports for specific region.3. Fixed parental control issues. This firmware add more security protection for configuration. If you want to manually downgrade to previously version, please reset the router to default after downgraded.

    Archived page, fetched 29 September 2026

  19. 3.0.0.4.386.40558 5 November 2020

    Release notes — disclosure 0.65 
    New Feature1. AiMesh 2.0- System optimization: one click in AiMesh to optimize the topology- System Ethernet backhaul mode, all nodes will only connect by ethernet, all bands will be released for wireless clients.- System factory default and reboot.- Client device reconnect, make the device to offline and online again.- Client device binding to specific AP.- Guest WiFi on all Mesh nodes (all node need to upgrade to 3.0.0.4.386 firmware)- Access nodes USB application.Connection priority and Ethernet backhaul mode introduction https://www.asus.com/support/FAQ/1044184How to setup ASUS AiMesh or ZenWiFi Mesh Ethernet backhaul under different conditionshttps://www.asus.com/support/FAQ/1044151/2. New Family interface in ASUS router App. ASUS Router App for iOS must greater or equal to iOS v1.0.0.5.75 Android version greater or equal to v1.0.0.5.743. The unit of the WiFi time scheduler goes to 1 minute.4. 2.4 and 5G on the network map could be configured in the same tab.5. Captcha for login can be disabled in administration -> system.6. Printer server port can be disabled on the USB app page.7. Clients which connect to the guest network can be viewed in the network map -->view list --> interface

    Archived page, fetched 29 September 2026

  20. 3.0.0.4.385.20633 14 August 2020

    Release notes — disclosure 0.30 
    - Fixed RCE vulnerability.

    Archived page, fetched 29 September 2026

  21. 3.0.0.4.385.20632 28 July 2020

    Release notes — disclosure 0.31 
    - Fixed multi language issues

    Archived page, fetched 29 September 2026

  22. 3.0.0.4.385.20630 30 June 2020

    Cites CVE-2017-15653, CVE-2020-12695

    Release notes — disclosure 0.77 
    Security update - Fixed CVE-2020-12695 (CallStranger) - Fixed Reflected XSS vulnerability. - Fixed Directory traversal vulnerability. - Fixed CVE-2017-15653.The update server transport layer security was upgraded and the old protocol was removed. If your router firmware version is lower than 3.0.0.4.385.20253, please refer to the "Update Manually" section in https://www.asus.com/support/FAQ/1008000 to update the firmware.

    Archived page, fetched 29 September 2026

  23. 3.0.0.4.385.20585 19 June 2020

    Release notes — disclosure 0.32 
    - Fixed Let's encrypt certification renew bugs.- Improved web history page loading speed.- Fixed OpenVPN related bugs

    Archived page, fetched 29 September 2026

  24. 3.0.0.4.385.20490 6 May 2020

    Release notes — disclosure 0.40 
    - Improved connection stability. - Optimized CPU utilization. - Fixed some UI bugs. - Fixed login bugs. - Support router certificate export. After import the certificate to the computer you will not see the warning message when login with https.Please refer to https://www.asus.com/us/support/FAQ/1034294/

    Archived page, fetched 29 September 2026

  25. 3.0.0.4.385.20433 14 April 2020

    Release notes — disclosure 0.55 
    1. Update Adaptive QoS categories: Help you to prioritize the mission-critical applications Those people who work-from-home & learn-from-home will greatly benefit from this new feature with optimized streaming experiences. New Supported Categories & Apps: - Video conferencing, including Microsoft Teams®, ZOOM®, Skype®, Google Hangouts®, BlueJeans® - Online learning, including Khan academy®, Udemy®, Coursera®, TED®, VIPKiD®, 51Talk®, XDF®, Xueersi® - Streaming, including YouTube®, Netflix®, HBO NOW®, Amazon Prime Video®, Disney+®, ESPN®, MLB.com®, iQIY® - Indoor training, including Zwift®, Peloton®, Onelap® Stay tuned and more apps are coming to the list soon!2. Support Mobile Game Mode - One-click prioritizing your mobile device to the highest and ensure you the best mobile gaming experiences. - Install/Update ASUS Router App (Android supports later than 1.0.0.5.44; iOS supports later than 1.0.0.5.41)

    Archived page, fetched 29 September 2026

  26. 3.0.0.4.385.20253 10 March 2020

    Cites CVE-2019-15126

    Release notes — disclosure 0.66 
    - Fixed CVE-2019-15126 (Kr00k) vulnerability.

    Archived page, fetched 29 September 2026

  27. 3.0.0.4.385.20252 13 February 2020

    Release notes — disclosure 0.32 
    - Fixed the firmware update problem in some special conditions.- Fixed UI bugs.

    Archived page, fetched 29 September 2026

  28. 3.0.0.4.385.10002 23 December 2019

    Release notes — disclosure 0.05 
    - Improved wireless stability

    Archived page, fetched 29 September 2026

  29. 3.0.0.4.385.10000 26 November 2019

    Release notes — disclosure 0.31 
    - Fixed firmware update issues.

    Archived page, fetched 29 September 2026

  30. 3.0.0.4.384.81351 13 November 2019

    Release notes — disclosure 0.33 
    - Fixed a DDoS vulnerability.- Fixed Let's Encrypt related bugs.- Fixed folder creating bugs in Samba.- Fixed dual wan failover bugs while the primary wan type is L2TP.

    Archived page, fetched 29 September 2026

  31. 3.0.0.4.384.81049 4 September 2019

    Release notes — disclosure 0.48 
    Security fix - Fixed a DDoS vulnerability. Thanks for Altin Thartori's contribution. Bugfix - Fixed EU 5GHz SSID disappear problems in EU model. - Fixed Network map client list issues. - Fixed block internet access problem when clients connected to AiMesh node - Fixed Samba server compatibility issue. - Fixed OpenVPN related bugs. - Fixed schedule reboot bugs. - Improved AiMesh compatibility. - Improved system stability.

    Archived page, fetched 29 September 2026

  32. 3.0.0.4.384.45717 13 May 2019

    Release notes — disclosure 0.49 
    - Fixed DDoS vulnerability.- Fixed AiCloud vulnerability. Thanks for Matt Cundari's contribution.- Fixed command injection vulnerability. Thanks for S1mba Lu's contribution.- Fixed buffer overflow vulnerability. Thanks for Javier Aguinaga's contribution.

    Archived page, fetched 29 September 2026

  33. 3.0.0.4.384.45713 11 April 2019

    Release notes — disclosure 0.34 
    Bug Fix - Fixed browser no response problem when enabled Traffic analyzer. - Fixed VLAN bug for Movistar. - Fixed the problem which causes lots of SQUASHFS error in system log.

    Archived page, fetched 29 September 2026

  34. 3.0.0.4.384.45708 29 March 2019

    Cites CVE-2018-20334, CVE-2018-20336

    Release notes — disclosure 0.91 
    Security Fix - Fixed CVE-2018-20334 - Fixed CVE-2018-20336 - Fixed null pointer issue. Thanks for CodeBreaker of STARLabs’ contribution. - Fixed AiCloud buffer overflow vulnerability. Thanks for Resecurity International's contribution. Bug Fix - Fixed AiMesh LAN IP issue when router using IPv6 WAN. - Fixed AIMesh connection issues. - Fixed Network Map related issues. - Fixed Download Master icon disappear issue. - Fixed LAN PC cannot find router name in My Network Places when enabling Samba service. - Fixed LAN LED not blinking problem.

    Archived page, fetched 29 September 2026

  35. 3.0.0.4.384.45149 6 December 2018

    Cites CVE-2018-14710, CVE-2018-14711, CVE-2018-14712, CVE-2018-14713, CVE-2018-14714, CVE-2018-17020, CVE-2018-17021, CVE-2018-17022

    Release notes — disclosure 0.98 
    AiMesh- Improved AiMesh stability- Lyra, Lyra Mini, and Lyra Trio can be added as AiMesh node into RT-AC1900P network. Please refer to https://www.asus.com/support/FAQ/1038071 for more detail.Security- Fixed CVE-2018-14710, CVE-2018-14711, CVE-2018-14712, CVE-2018-14713, CVE-2018-14714. Thanks for Rick Ramgattie's contribution.- Fixed AiCloud/ Samba account vulnerability. Thanks for Matthew Cundari's contribution.- Fixed DoS vulnerability. Thanks for Ruikai Liu's contribution.- Fixed CVE-2018-17020, CVE-2018-17021, CVE-2018-17022.- Fixed stored XSS vulnerability. Thanks for Duda Przemyslaw's contribution.- Updated OpenSSL library.Bug fixes and improvement- Improved wireless stability.- Modified “Dual Wan” user interface.- Modified “Port Forwarding” user interface.- Modified “Restore” user interface.- Fixed GUI bugs on user feedback page.- Fixed “Adaptive QoS” bugs.

    Archived page, fetched 29 September 2026

  36. 3.0.0.4.384.32799 19 September 2018

    Release notes — disclosure 0.06 
    Fixed WIFI stability issue.

    Archived page, fetched 29 September 2026

  37. 3.0.0.4.384.32738 15 August 2018

    Release notes — disclosure 0.60 
    AiMesh new features - Supported creating mesh system with new router, BlueCave. - Added Roaming block list in Advanced Settings --> Wireless. You can add devices into block list and this device will not be roamed between AiMesh nodes. - Supported ethernet onboarding. User can use ethernet cable. You can use ethernet cable to connect AiMesh router LAN port and AiMesh node WAN port first and run the adding node process to build the mesh system.Security fixes. - Fixed Reflected XSS vulnerability. - Fixed CSRF vulnerability. - Fixed command injection vulnerability. - Fixed stack buffer overflow vulnerability.Thanks for Rick Ramgattie contribution.Fixed USB hard drive over 2TB compatibility issues.Fixed Samba/FTP folder permission issues.Added USB3.0/2.0 mode switch setting in Administration --> System --> USB Settings.

    Archived page, fetched 29 September 2026

Evidence

2 archived pages sit behind this record, the earliest read on 2 August 2026. Everything above was read from them, and each is kept byte for byte so it can be checked after the vendor edits the original.

Identifiers: marketing_name RT-AC1900P

Judged by lifecycle-1 on 29 September 2026. How these verdicts are computed.

Machine-readable: JSON · RSS