Unrated severityCISA KEVNVD Advisory· Published Feb 1, 2020· Updated Oct 21, 2025
CVE-2020-8515
CVE-2020-8515
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- DrayTek/Vigor2960description
- Range: = 1.3.3_Beta, 1.4.2.1_Beta, 1.4.4_Beta
Patches
Vulnerability mechanics
References
3- packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.htmlmitrex_refsource_MISC
- sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.htmlmitrex_refsource_MISC
- www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/mitrex_refsource_MISC
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