RP-AC1900
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BIOS & FIRMWARE

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Firmware
ASUS RP-AC1900 Firmware version 3.0.0.4.386_52102
Version 3.0.0.4.386_52102
99.42 MB
2026/05/12
SHA-256 :4EEA240A45074F5E5839ACC00C8837EC5FBF1C1CA0B2E2224DC766F0E51DD581

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.

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ASUS RP-AC1900 Firmware version 3.0.0.4.386_52062
Version 3.0.0.4.386_52062
99.39 MB
2025/10/27
SHA-256 :9B872D3407E4305931DC503520D9414D0EA57828236BD0C1D9E9F65E449FF66C

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/

-Enhanced system stability.
-Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.
-Fixed an issue that allowed certain user settings to be bypassed, improving overall user control and protection.

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ASUS RP-AC1900 Firmware version 3.0.0.4.386_51685
Version 3.0.0.4.386_51685
98.84 MB
2024/07/23

- Fixed CVE-2024-3079 and CVE-2024-3080. Thanks to the contribution of swing from Chaitin Security Research Lab.
- 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.

Please unzip the firmware file, and then verify the checksum.
SHA256: aded7987b384440cffc24755a9e5005d09174bf4d2836ba8e50c3bca8866b755

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ASUS RP-AC1900 Firmware version 3.0.0.4.386_51668
Version 3.0.0.4.386_51668
42.32 MB
2023/12/05

1. Resolved an issue causing excessive log generation due to bwdpi issue.
2. Fixed a potential issue causing higher CPU utilization.

Please unzip the firmware file, and then verify the checksum.
SHA256: 3cab24791b71b4cdd2d2580a7f549da9b77ca5287a713b893776f0ff087f07ae

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ASUS RP-AC1900 Firmware version 3.0.0.4.386.51665
Version 3.0.0.4.386.51665
42.32 MB
2023/05/11

Security updates:
-Enhanced protection for credentials.
-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 CVE-2023-35086/ CVE-2023-35087. Thanks to Swing and Wang Duo from Chaitin Security Research Lab C0ss4ck from Bytedance Wuheng Lab, Feixincheng from X1cT34m.


Please unzip the firmware file, and then verify the checksum.
SHA256: fa1f20a717950885bb7eaef40910a6b827c3d68418b1ca143ccc3555d782e3cc

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ASUS RP-AC1900 Firmware version 3.0.0.4.386.51255
Version 3.0.0.4.386.51255
42.13 MB
2023/03/02

1.Fixed HTTP response splitting vulnerability.
2.Fixed cfg server security issues.
3.Fixed Open redirect vulnerability.
4.Fixed token authentication security issues.
5.Fixed security issues on the status page.
6.Fixed XSS vulnerability.
7.Fixed CVE-2022-26376
8.Fixed CVE-2018-1160
9.Optimize the AiMesh web interface
10.Improved AiMesh connection stability.

Please unzip the firmware file first then check the MD5 code.
MD5: bc9aa1423070d398c409186e5aae1e69

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ASUS RP-AC1900 Firmware version 3.0.0.4.386.49703
Version 3.0.0.4.386.49703
41.12 MB
2022/07/21

1. Fixed CVE-2018-1160, CVE-2022-26376, CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686, CVE-2021-41435, CVE-2021-41436, CVE-2022-23970, CVE-2022-23971, CVE-2022-23972, CVE-2022-23973, CVE-2022-CVE-2022-25595, CVE-2022-25596, CVE-2022-25596
2. Fixed httpd vulnerability
3. Fixed stack overflow vulnerability
4. Fixed DoS vulnerability
5. Fixed Stored XSS vulnerability.
6. Fixed string format stacks vulnerability
7. Fixed cross-site-scripting vulnerability
8. Fixed informational vulnerability.
9. Fixed SQL injection vulnerability
10. Fixed json file traversal vulnerability
12. Fixed stack overflow vulnerability
13. Fixed cfgserver heap overflow vulnerability
14. Fixed cfgserver denial of service vulnerability

Please unzip the firmware file first then check the MD5 code.
MD5: f64b96bacf2dae563152d684d835f68b

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ASUS RP-AC1900 Firmware version 3.0.0.4.386.41634
Version 3.0.0.4.386.41634
40.4 MB
2021/05/05

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.
4. Fixed pre-auth RCE chain through arbitrary file write, special thanks for Robert Chen's contribution

If you want to manually downgrade to previously version, please reset the router to default after downgraded.

Please unzip the firmware file first then check the MD5 code.
MD5: 97e1195fa52299f874f44fb337ed60c7

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ASUS RP-AC1900 Firmware version 3.0.0.4.385.20630
Version 3.0.0.4.385.20630
36.78 MB
2020/06/30

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.
Please refer to the "Update Manually" section in https://www.asus.com/support/FAQ/1008000 to update the firmware.

Please unzip the firmware file first then check the MD5 code.
MD5: 011ea1c128d797ec7968f4b3fa94a1df

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ASUS RP-AC1900 Firmware version 3.0.0.4.385.10000
Version 3.0.0.4.385.10000
40.19 MB
2019/11/26

- Fixed firmware update issues.

Please unzip the firmware file first then check the MD5 code.
MD5: 08d9267b41e4591beff49e4a78c15670

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ASUS RP-AC1900 Firmware version 3.0.0.4.384.81351
Version 3.0.0.4.384.81351
40.28 MB
2019/11/22

- Improved AiMesh stability

Please unzip the firmware file first then check the MD5 code.
MD5: d4b05802468b71f7510c3daeaa7fed4d

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ASUS RP-AC1900 Firmware version 3.0.0.4.384.69640
Version 3.0.0.4.384.69640
39.71 MB
2019/06/10

Initial release

Please unzip the firmware file first then check the MD5 code.
MD5: b4fea025e37f76157c32541a2ea4b19c

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  • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
  • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
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    • The actual transfer speed of USB 3.0, 3.1, 3.2, and/or Type-C will vary depending on many      factors including the processing speed of the host device, file attributes and      other factors related to system configuration and your operating environment.
    • Actual data throughput and WiFi coverage will vary from network conditions and environmental factors, including the volume of network traffic, building material and construction, and network overhead, result in lower actual data throughput and wireless coverage.
    • Quoted network speeds and bandwidth based on current IEEE 802.11ac specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac-compatible for best results.
    • If you use the product in conjunction with a third party service, you are responsible for complying with the third party provider's terms and conditions and privacy policy and are also at the risk of such use. ASUS does not provide support or guarantee continuous integration support for products that are not part of ASUS.