Device Support-Lifespan Observatory

What vendors do, not what they announce.

ASUS

RT-AX82U

Gone quiet reasonably evidenced

no firmware for long enough to stand out against its own record

257 days since the last release against a median gap of 82 (3.1x)

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Last firmware
15 January 2026 (8 months ago)
Releases seen
9
Update rhythm
about every 3 months
Support observed
≥4 years
Vendor's promise
no support period we can evaluate
Patch latency
not measurable — its changelogs name no CVE ids

Firmware history

  1. 3.0.0.4.388_25101 15 January 2026

    Release notes — disclosure 0.31 
    - Fixed abnormal LED behavior.- Fixed minor GUI bugs.

    Archived page, fetched 29 September 2026

  2. 3.0.0.4.388_25098 28 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. - 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. 3.0.0.4.388_25035 14 May 2025

    Release notes — disclosure 0.31 
    Improved compatibility with certain IoT devices.

    Archived page, fetched 29 September 2026

  4. 3.0.0.4.388_25029 25 February 2025

    Release notes — disclosure 0.32 
    1.Enhanced input parameter handling techniques to improve data processing stability and system security.2.Enhance system access control mechanisms.

    Archived page, fetched 29 September 2026

  5. 3.0.0.4.388_25024 11 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. 3.0.0.4.388_25017 18 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

  7. 3.0.0.4.388_25004 9 October 2024

    Release notes — disclosure 0.37 
    1.Optimized memory management mechanisms, improving system efficiency and stability.2.Strengthened input validation and data processing workflows, further protecting your information security.3.Improved web rendering engine, enhancing browsing experience and security.4.Enhanced security of system command processing to guard against potential malicious operations.5.Perfected JavaScript-related security mechanisms, offering a more secure web interaction environment.Please unzip the firmware file, and then verify the checksumSHA: 2f664213e3d006825118f5f7dcac5399bc40e85e13f3afd0ad67980f27574308

    Archived page, fetched 29 September 2026

  8. 3.0.0.4.388_24231 16 November 2023

    Release notes — disclosure 0.45 
    Bug Fixes and Enhancements：- Fixed v6plus related Issues.- Fixed ipv6 network service filter not work.- Resolved an issue that caused hostname errors in the DDNS service.- Resolved OpenVPN Server TAP mode issue.- Fixed the problem that the AiCloud app cannot add router on Android 9.- Ensured consistent display of client status on the WireGuard server.- Enhanced system stability when accessing the WireGuard Server with DMZ enabled.- Improved stability when enabling or disabling the WireGuard server.- Optimized memory utilization and fixed an occasional server error when registering DDNS with an app.- Corrected a bug encountered when adding a rule to the network services filter.Security Fixes：- Fixed several curl vulnerabilities.- Fixed FFmpeg vulnerabilities.- Corrected an OpenVPN vulnerability categorized as CWE-134.- Strengthened protection against SSH brute force attacks.- Fixed OpenSSL vulnerabilities.

    Archived page, fetched 29 September 2026

  9. 3.0.0.4.386.46061 12 January 2022

    Release notes — disclosure 0.37 
    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.Improved the connection stability.

    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-AX82U

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

Machine-readable: JSON · RSS