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CVE-2022-40855

CRITICAL CVSS: 9.8 Published: 2022-09-23 Modified: 2026-06-17

Description

Tenda W20E router V15.11.0.6 contains a stack overflow in the function formSetPortMapping with post request 'goform/setPortMapping/'. This vulnerability allows attackers to cause a Denial of Service (DoS) or Remote Code Execution (RCE) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

Affected Platforms

Tenda W20ETenda W20E Firmware

Weakness Type

CWE-787, CWE-787

References