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CVE-2021-43118

CRITICAL CVSS: 9.8 Published: 2022-03-29 Modified: 2026-06-17

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.

Affected Platforms

Draytek Vigor2960 FirmwareDraytek Vigor300BDraytek Vigor3900 FirmwareDraytek Vigor3900Draytek Vigor2960Draytek Vigor300B Firmware

Weakness Type

CWE-77

References