A vulnerability, which was classified as critical, was found in Draytek Vigor 3900, Vigor 2960 and Vigor 300B. This affects an unknown part of the file cgi-bin/mainfunction.cgi. The manipulation of the argument action leads to command injection.

This vulnerability is uniquely identified as CVE-2024-43027. It is possible to initiate the attack remotely. There is no exploit available.

It is recommended to upgrade the affected component.