› UKTH forums › 🛜 Wireless Routers & Modems › ASUS & Wireless › ASUS RT-AX5400 – Official Thread Version 3.0.0.4.388_25058 48.25 MB 2024/08/30 Bug Fixes and Enhancements: – Improved AiMesh backhaul stability for a more reliable connection. – Enhanced WireGuard performance for smoother VPN connections. – Optimized memory... › Reply To: ASUS RT-AX5400 – Official Thread Version 3.0.0.4.388_25058 48.25 MB 2024/08/30 Bug Fixes and Enhancements: – Improved AiMesh backhaul stability for a more reliable connection. – Enhanced WireGuard performance for smoother VPN connections. – Optimized memory…
ASUS RT-AX5400 Firmware version 3.0.0.4.388_25192
version 3.0.0.4.388_25192
2025/08/27
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 defense 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.
– Detailed Audit Trails – Expanded logging within the authentication module.
System Improvements:
– Connection Stability – Core algorithms refined for steadier links.
– Scheduling Accuracy – Timed tasks execute reliably under PPPoE, PPTP and L2TP WAN modes.
– Client List Maintenance – Resolved an issue that prevented offline devices from being removed from the client list.
Bug Fixes:
– Fixed abnormal client list.
– Fixed abnormal GUI behavior of Wireguard VPN.
– Fixed USB internet backup conflict with main WAN.
– Fixed abnormal WAN detection while AiDetection is enabled.
– Improved AdGuard DNS GUI issues.
– Fixed IPv6 related issues.
– Improved USB tether compatibility for pixel phones.
In a completely sane world, madness is the only freedom (J.G.Ballard).
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