CVE-2024-51257: DrayTek VIGOR3900 Firmware

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

DrayTek Vigor3900 1.5.1.3 allows attackers to inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the doCertificate function.

Affected products

• DrayTek VIGOR3900 Firmware: version 1.5.1.3 only

Published 2024-10-30. Last modified 2026-06-17.