Description
DrayTek Vigor 3900 before v1.5.1.5_Beta, DrayTek Vigor 2960 before v1.5.1.5_Beta and DrayTek Vigor 300B before v1.5.1.5_Beta were discovered to contain a command injection vulnerability via the action parameter at cgi-bin/mainfunction.cgi.
References
https://github.com/N1nEmAn/wp/blob/main/V3900.md