CVE-2026-2872 | Tenda A21 1.0.0.0 MAC Filtering Configuration Endpoint /goform/setBlackRule set_device_name devName/mac stack-based overflow

A vulnerability was found in Tenda A21 1.0.0.0. It has been declared as critical. This vulnerability affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration Endpoint. Such manipulation of the argument devName/mac leads to stack-based buffer overflow.

This vulnerability is listed as CVE-2026-2872. The attack may be performed from remote. In addition, an exploit is available.