VULNERABILITY INTELLIGENCE

CVE-2021-43118

CVSS score9.8 CRITICAL
EPSS probability34.84%
CISA KEVNot currently listed
Published2022-03-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

A Remote Command Injection 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 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.

Weakness classification

  • nvd@nist.gov: CWE-77

Primary references