CVE-2026-105778
CriticalCVSS 9.9Summary
A vulnerability in Tenda AC5 router (version 02.03.01.111_multi) affects an unknown function in the file /goform/setWifi of the Wifi Handler component. Manipulation of the wifiPwd argument leads to a stack-based buffer overflow. The attack can be launched remotely, and the exploit is publicly available.
Risk Assessment
Risk of remote code execution or device crash. The public exploit increases the likelihood of attacks on routers running this firmware version.
Recommendation
Update the Tenda AC5 router firmware to the latest available version if the vendor has released a patch. Restrict access to the administrative panel and management interfaces to trusted networks only.
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Original NVD description (English source)
A vulnerability has been found in Tenda AC5 02.03.01.111_multi. Affected by this issue is some unknown functionality of the file /goform/setWifi of the component Wifi Handler. Such manipulation of the argument wifiPwd leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS