CVE-2020-10828

CRITICAL EXPLOITED IN THE WILD

Draytek Vigor3900-300B <1.5.1 - Buffer Overflow

Title source: llm

Exploitation Summary

CVE-2020-10828 has been observed exploited in the wild (reported by VulnCheck KEV, InTheWild.io).

Description

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.

References (2)

Core 2

Core References

Exploit, Third Party Advisory x_refsource_misc

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

Various Sources x_refsource_confirm

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

Scores

CVSS v3 9.8

EPSS 0.2088

EPSS Percentile 97.3%

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-787

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