Release ASUS RT-AX5400 Firmware version 3.0.0.4.388_25204 (2025/10/20)

[fruitcornbread]

Version 3.0.0.4.388_25204
48.25 MB
2025/10/20

- 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.

ZIP SHA-256 : 7B5366E823E18E6C92C6402F9897DA08E69EAC954954F7EC037E5D9BA14EB990
FW SHA-256 : 8bccfc341dd24f71f9dc47d10482c93137627cafdc7d58695f2842cada94f114

Download: https://dlcdnets.asus.com/pub/ASUS/wireless/RT-AX5400/FW_RT_AX5400_300438825204.zip?model=RT-AX5400

RT-AX5400｜WiFi Routers｜ASUS Global

Discover RT-AX5400's cutting-edge features like ultrafast WiFi 6, AiProtection Pro, VPN Fusion, & seamless AiMesh compatibility for top-tier tech enthusiasts.

www.asus.com