CVE-2024-51259: DrayTek VIGOR3900 Firmware

Critical severity, CVSS 9.8. 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 setup_cacertificate function.

Affected products

• DrayTek VIGOR3900 Firmware: version 1.5.1.3 only

Published 2024-10-31. Last modified 2026-06-17.