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vigor300b

Vendor: draytek

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Actively Exploited 3 CISA KEV List
PoC / Exploits 2 Code Available
Total RCEs 10 Remote Access
Total CVEs 29 Total Indexed
Avg. EPSS 27.53% Exploit Prob.
Latest CVE CVE-2026-3040 Feb 23

Security Vulnerability Index

Page 2 / 3
9.8 CVSS
CVE-2020-10828

A stack-based buffer overflow in cvmd on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request.

EPSS: 20.88%
9.8 CVSS
CVE-2020-10827

A stack-based buffer overflow in apmd on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request.

EPSS: 20.88%
9.8 CVSS
CVE-2020-10826
RCE

/cgi-bin/activate.cgi on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve command injection via a remote HTTP request in DEBUG mode.

EPSS: 39.39%
9.8 CVSS
CVE-2020-10825

A stack-based buffer overflow in /cgi-bin/activate.cgi while base64 decoding ticket parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 3 of 3).

EPSS: 3.98%
9.8 CVSS
CVE-2020-10824

A stack-based buffer overflow in /cgi-bin/activate.cgi through ticket parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 2 of 3).

EPSS: 3.98%
9.8 CVSS
CVE-2020-10823

A stack-based buffer overflow in /cgi-bin/activate.cgi through var parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 1 of 3).

EPSS: 4.32%
Critical Target
9.8 CVSS
CVE-2020-8515
RCE Exploit Found

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.

EPSS: 99.99%