PT-2020-12349 · Draytek · Draytek Vigor300B+2

Published 2020-03-26 · Updated 2025-05-05 · CVE-2020-10826

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Draytek Vigor3900 versions prior to 1.5.1 Draytek Vigor2960 versions prior to 1.5.1 Draytek Vigor300B versions prior to 1.5.1

Description The issue allows remote attackers to achieve command injection via a remote HTTP request in DEBUG mode, specifically targeting the /cgi-bin/activate.cgi endpoint.

Recommendations For Draytek Vigor3900 versions prior to 1.5.1, update to version 1.5.1 or later. For Draytek Vigor2960 versions prior to 1.5.1, update to version 1.5.1 or later. For Draytek Vigor300B versions prior to 1.5.1, update to version 1.5.1 or later. As a temporary workaround, consider disabling the DEBUG mode until a patch is available.

Exploit

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2020-10826

Affected Products

Draytek Vigor2960

Draytek Vigor300B

Draytek Vigor3900

References · 6

• 🔥 https://slashd.ga/2020/03/draytek-vulnerabilities · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-10826 · Security Note
• https://draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-10826 · Vendor Advisory
• https://t.me/cvenotify/120826 · Telegram Post
• https://t.me/cvenotify/2203 · Telegram Post