A vulnerability, which was classified as critical, was found in Tenda W3 1.0.0.3(2204). This vulnerability affects the function
formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Such manipulation of the argument cmdinput leads to stack-based buffer overflow.
This vulnerability is listed as CVE-2026-3974. The attack may be performed from remote. In addition, an exploit is available.