Reply To: ASUS ZenWiFi XT9 – Official Thread Latest firmware for the ASUS ZenWiFi XT9 – Version 3.0.0.4.388.21069 2022/09/28 ASUS ZenWiFi XT9 Firmware version 3.0.0.4.388.21069 1. Fixed Samba file system clutter bug. 2. Improved AiMesh system backhaul TXBF…

[UK Sentinel]

ASUS ZenWiFi XT9 Firmware version 3.0.0.4.388_24854

2026/08/04

 

Security Fixes
– Strengthened data handling in Networks configuration functions.
– Improved data validation in Networks rule list processing.
– Fixed a data-handling issue in the DNS query caching component.
– Strengthened verification when a software component downloads – external resources, improving connection security.
– Adjusted the information response mechanism of the device discovery service, strengthening protection of device information.
– Fixed a data-handling issue in a firmware component on a specific model.
– Improved data-display handling in a web function to enhance browsing security.
– Strengthened input data validation in a device-pairing web function.
– Improved data validation in the configuration file upload/sync function.
– Improved how the account service restart process is handled.
– Removed a non-essential internal function endpoint, strengthening overall access control.
– Adjusted the debug file access mechanism, strengthening protection of internal data.
– Strengthened data handling in the system logging function.

We recommend upgrading to this version to maintain optimal protection.

 

 

https://www.asus.com/uk/networking-iot-servers/whole-home-mesh-wifi-system/zenwifi-wifi-systems/asus-zenwifi-xt9/helpdesk_bios?model2Name=ASUS-ZenWiFi-XT9

In a completely sane world, madness is the only freedom (J.G.Ballard).

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