Critical · 9.8 CVE-2020-10823 EUVD-2020-3229GHSA-j52p-3wc7-gvwr

A stack-based buffer overflow in /cgi-bin/activate.cgi through var parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before …

Published Mar 26, 2020 · Updated May 5, 2025 · Assigned by mitre

Description

A stack-based buffer overflow in /cgi-bin/activate.cgi through var parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 1 of 3).

References

https://slashd.ga/2020/03/draytek-vulnerabilities/
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability/