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.
References
| Link | Resource |
|---|---|
| http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html | Permissions Required Third Party Advisory |
| https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/ | Vendor Advisory |
| http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html | Permissions Required Third Party Advisory |
| https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/ | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8515 |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
22 Oct 2025, 00:17
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21 Oct 2025, 20:18
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21 Oct 2025, 19:18
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Information
Published : 2020-02-01 13:15
Updated : 2025-10-22 00:17
NVD link : CVE-2020-8515
Mitre link : CVE-2020-8515
CVE.ORG link : CVE-2020-8515
JSON object : View
Products Affected
draytek
- vigor300b
- vigor2960
- vigor3900
- vigor3900_firmware
- vigor300b_firmware
- vigor2960_firmware
CWE
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
