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Release ASUS RT-AX1800S V2 Firmware version 3.0.0.4.388_33965 (2025/10/20)

fruitcornbread

Senior Member
Version 3.0.0.4.388_33965
29.68 MB
2025/10/20

- Enhanced system stability.
- Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.
- 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.
- Password Policy Upgrade – Minimum of 10 characters, including at least one letter, one digit, and one special character; disallows 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.
- 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.

Please unzip the firmware file, and then verify the checksum.
FW SHA-256 : 86f0d4f9725a526399e934ac82e40b7f51c696dde8a40fccab9c9af781b9c021

It is also called RT-AX54HP V2 or RT-AX1800HP V2 in other regions so go check their respective websites (they use the same firmware). RT-AX57M / RT-AX3000S uses identical hardware and has the same firmware update (same hash) as well, but with 160MHz unlocked on 5GHz.

RT-AX1800S V2 ZIP SHA-256 : 16624EBF6388AA50B84CAAE889B1F9C6AC09F65A686A294B96BDE1953E8E906E
Download RT-AX1800S V2: https://dlcdnets.asus.com/pub/ASUS/..._RT_AX1800S_300438833965.zip?model=RT-AX1800S

RT-AX54HP V2 ZIP SHA-256 : 5F1A0029136147BEE54B459F819B88F0F83825C05ED111A27D84645C2B777C4D
Download RT-AX54HP V2: https://dlcdnets.asus.com/pub/ASUS/wireless/RT-AX54HP/FW_RT_AX54HP_300438833965.zip?model=RT-AX54HP

RT-AX1800HP V2 ZIP SHA-256 : BFFCD2A276E3A954B3458CC21B8253012E2D7E5E44459F3B80E1E8C9F0D7FC9F
Download RT-AX1800HP V2: https://dlcdnets.asus.com/pub/ASUS/...T_AX1800HP_300438833965.zip?model=RT-AX1800HP

RT-AX57M ZIP SHA-256 : 3ED1C5036FC0A5AFDE80510C5EB81FEED91C865C85F7FF884231DB9228843447
Download RT-AX57M: https://dlcdnets.asus.com/pub/ASUS/wireless/RT-AX57M/FW_RT_AX57M_300438833965.zip?model=RT-AX57M

RT-AX3000S ZIP SHA-256 : BE6550A46A95DED8BEE70C74F11506EC602841FF074D0A002DB845AF9EA545AF
Download RT-AX3000S: https://dlcdnets.asus.com/pub/ASUS/..._RT_AX3000S_300438833965.zip?model=RT-AX3000S
 

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