CVE-2022-40855

PoC —

CVSS 3.1

9.8 critical

EPSS

13%p96

Published

Sep 23, 2022 (Sep 23, 2022)

Modified

Jun 17, 2026

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.

Vendors: tenda
Products: w20e firmware
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (13.5%)

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