← Back to CVEs
CVE-2020-8515
CRITICALCISA KEV9.8
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.
CVE Details
CVSS v3.1 Score9.8
SeverityCRITICAL
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published2/1/2020
Last Modified11/7/2025
Sourcekev
Honeypot Sightings0
CISA KEV
VendorDrayTek
ProductMultiple Vigor Routers
Vulnerability NameMultiple DrayTek Vigor Routers Web Management Page Vulnerability
KEV Date Added2021-11-03
Remediation Due Date2022-05-03
Ransomware UseUnknown
Affected Products
draytek:vigor2960draytek:vigor2960_firmwaredraytek:vigor300bdraytek:vigor300b_firmwaredraytek:vigor3900draytek:vigor3900_firmware
Weaknesses (CWE)
CWE-78CWE-78
References
http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html(cve@mitre.org)
http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html(af854a3a-2127-422b-91ae-364da2661108)
https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html(af854a3a-2127-422b-91ae-364da2661108)
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/(af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8515(134c704f-9b21-4f2e-91b3-4a467353bcc0)
IOC Correlations
No correlations recorded
This product uses data from the NVD API but is not endorsed or certified by the NVD.