Vulnerabilities

CVSS

9.8 Critical

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Risk score

100.0

Known exploited

CISA KEV

Published

2020-02-01

Status

Analyzed

DrayTek Vigor2960 1.3.1_Beta, Vigor3900 1.4.4_Beta, and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters to the cgi-bin/mainfunction.cgi URI. This issue has been fixed in Vigor3900/2960/300B v1.5.1.

Weaknesses

CWE-78

Coverage 1

malware

TuxBot v3: Inside an IoT Botnet Framework With LLM-Assisted Development

A new IoT botnet framework, TuxBot v3 Evolution, has been identified, leveraging LLM assistance during development. Developed by an Iranian-based developer, the framework is modular and includes features like DDoS-for-hi…

Palo Alto Unit 42 · Jul 15, 2026

CVE-2022-1388CVE-2022-22965CVE-2020-8515

All articles mentioning it

Advisories and references

• packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vig...
• sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-drayte...
• draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300...
• packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vig...
• sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-drayte...
• draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300...
• cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-...