VulnCheck KEV: CVE-2021-42911

A Format String vulnerability exists in DrayTek Vigor 2960 = 1.5.1.3, DrayTek Vigor 3900 = 1.5.1.3, and DrayTek Vigor 300B = 1.5.1.3 in the mainfunction.cgi file via a crafted HTTP message containing malformed QUERY STRING, which could let a remote malicious user execute arbitrary code...