CVE-2020-10823

Published: Mar 26, 2020Modified: May 5, 2025

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

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).

Affected (3)

Products: Draytek: Vigor300b Firmware, Vigor3900 Firmware, Vigor2960 Firmware

3 products

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Draytek Vigor300b Firmware	Before 1.5.1

Running on/with	Platform Versions
Draytek Vigor300b	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Draytek Vigor3900 Firmware	Before 1.5.1

Running on/with	Platform Versions
Draytek Vigor3900	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Draytek Vigor2960 Firmware	Before 1.5.1

Running on/with	Platform Versions
Draytek Vigor2960	All versions

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

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

Source: cve@mitre.org

ExploitThird Party Advisory

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

Source: cve@mitre.org

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

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.