CVE-2020-14473: DrayTek VIGOR2960 Firmware

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1.

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.