CVE-2024-46316: DrayTek VIGOR3900 Firmware

High severity, CVSS 8.0. EPSS: 1.1% chance of exploitation in the next 30 days.

DrayTek Vigor3900 v1.5.1.6 was discovered to contain a command injection vulnerability via the sub_2C920 function at /cgi-bin/mainfunction.cgi. This vulnerability allows attackers to execute arbitrary commands via supplying a crafted HTTP message.

Affected products

• DrayTek VIGOR3900 Firmware: version 1.5.1.6 only

Published 2024-10-09. Last modified 2026-06-17.