CVE-2020-14472: DrayTek VIGOR2960 Firmware

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

On Draytek Vigor3900, Vigor2960, and Vigor 300B devices before 1.5.1.1, there are some command-injection vulnerabilities in the mainfunction.cgi file.

Affected products

• DrayTek VIGOR2960 Firmware: before 1.5.1.1 (fixed in 1.5.1.1)
• DrayTek VIGOR300B Firmware: before 1.5.1.1 (fixed in 1.5.1.1)
• DrayTek VIGOR3900 Firmware: before 1.5.1.1 (fixed in 1.5.1.1)

Published 2020-06-24. Last modified 2026-06-17.