CVE-2020-10826

CRITICAL EXPLOITED IN THE WILD

Draytek Vigor3900-300B <1.5.1 - Command Injection

Title source: llm

Exploitation Summary

CVE-2020-10826 has been observed exploited in the wild (reported by VulnCheck KEV, InTheWild.io).

Description

/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.

References (2)

Core 2

Core References

Exploit, Third Party Advisory x_refsource_misc

https://slashd.ga/2020/03/draytek-vulnerabilities/

Vendor Advisory x_refsource_confirm

https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability/

Scores

CVSS v3 9.8

EPSS 0.3939

EPSS Percentile 98.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact total

Details

VulnCheck KEV 2022-01-12

InTheWild.io 2022-01-12

CWE

CWE-77

Status published

Products (3)

draytek/vigor2960_firmware < 1.5.1

draytek/vigor300b_firmware < 1.5.1

draytek/vigor3900_firmware < 1.5.1

Published Mar 26, 2020

Tracked Since Feb 18, 2026