CVE-2021-42911

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/29/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

draytek:vigor2960draytek:vigor2960_firmwaredraytek:vigor300bdraytek:vigor300b_firmwaredraytek:vigor3900draytek:vigor3900_firmware

Weaknesses (CWE)

CWE-134

References

https://gist.github.com/Cossack9989/e9c1c2d2e69b773ca4251acdd77f2835(cve@mitre.org)

https://gist.github.com/Cossack9989/e9c1c2d2e69b773ca4251acdd77f2835(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.