CVE-2026-113391 | DrayTek Vigor2960 1.5.1.6 Revision 8218 Upload Endpoint mainfunction.cgi uploadlangs command injection

October 20, 2026 Yanac

A vulnerability was found in DrayTek Vigor2960 1.5.1.6 Revision 8218. It has been declared as very critical. This affects the function uploadlangs of the file /cgi-bin/mainfunction.cgi of the component Upload Endpoint. Such manipulation leads to command injection. This vulnerability only affects products that are no longer supported by the maintainer.

This vulnerability is documented as CVE-2026-113391. The attack can be executed remotely. Additionally, an exploit exists.

It is recommended to upgrade the affected component.

The vendor explains: “2960 1.5.1.7 has corrected many security issues. And 2960 is EoS with limited support, only major issues would be reviewed(e.g. unauthenticated vuln.)”.VulDB Recent EntriesRead More