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ASUS RT-AX1800S Firmware version 3.0.0.4.386_69136 New ASUS RT-AX1800S Firmware version 3.0.0.4.386_69136 version 3.0.0.4.386_69136 2025/08/06   This version of firmware is only applicable to RT-AX1800S, please check the model name from the product SN label or…

UKTH forums ๐Ÿ›œ Wireless Routers & Modems ASUS & Wireless ASUS RT-AX1800S Firmware version 3.0.0.4.386_69136 New ASUS RT-AX1800S Firmware version 3.0.0.4.386_69136 version 3.0.0.4.386_69136 2025/08/06   This version of firmware is only applicable to RT-AX1800S, please check the model name from the product SN label or...

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    UK SentinelUK Sentinel
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    • The Skipper

    New ASUS RT-AX1800S Firmware version 3.0.0.4.386_69136

    version 3.0.0.4.386_69136

    2025/08/06

     

    This version of firmware is only applicable to RT-AX1800S, please check the model name from the product SN label or box label before utilizing.

    Important: After installing this firmware, we strongly recommend performing a factory-default reset to activate every new security adjustment.

    Security Enhancements:
    – Password Policy Upgrade โ€“ 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 โ€“ Management interface now served over TLS by default.
    – UPnP Disabled โ€“ Universal Plug and Play starts in the off state for reduced surface exposure.
    – AiCloud Authentication Hardening (CWE-287) โ€“ Added layered verification.
    – Authentication Logic Refactor โ€“ Removed redundant code paths for a lean sign-in flow.
    – Memory Safety Guard (CWE-476) โ€“ Introduced null-reference protections across critical services.
    – Enhanced IPsec Parameter Validation โ€“ The existing input checks have been hardened.
    – Data Exposure Mitigation (CWE-200) โ€“ Reinforced controls on sensitive pathways.
    – Detailed Audit Trails โ€“ Expanded logging within the authentication module.

    System Improvements:
    – Connection Stability โ€“ Core algorithms refined for steadier links.
    – Scheduling Accuracy โ€“ Timed tasks execute reliably under PPPoE, PPTP and L2TP WAN modes.
    – Client List Maintenance โ€“ Resolved an issue that prevented offline devices from being removed from the client list.

    https://www.asus.com/networking-iot-servers/wifi-routers/asus-wifi-routers/rt-ax1800s/helpdesk_bios?model2Name=RT-AX1800S

     

    Share the knowledge

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