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CVE-2021-42911

nvd nist
Published: Mar 29, 2022Modified: Nov 21, 2024

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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 Format String vulnerability exists in DrayTek Vigor 2960 <= 1.5.1.3, DrayTek Vigor 3900 <= 1.5.1.3, and DrayTek Vigor 300B <= 1.5.1.3 in the mainfunction.cgi file via a crafted HTTP message containing malformed QUERY STRING, which could let a remote malicious user execute arbitrary code.

Affected (3)

Draytek
3 products
Vigor2960 Firmware
Vigor3900 Firmware
Vigor300b Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Vigor2960 Firmware
Up to 1.5.1.3
Running on/withPlatform Versions
Draytek
Vigor2960
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Vigor3900 Firmware
Up to 1.5.1.3
Running on/withPlatform Versions
Draytek
Vigor3900
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Vigor300b Firmware
Up to 1.5.1.3
Running on/withPlatform Versions
Draytek
Vigor300b
All versions

Related CWEs

CWE-134
Use of Externally-Controlled Format String
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

References (2)

Source: cve@mitre.org
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.