CVE-2022-40855

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md	Exploit Third Party Advisory
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:w20e_firmware:15.11.0.6:*:*:*:*:*:*:*

cpe:2.3:h:tenda:w20e:-:*:*:*:*:*:*:*

History

21 Nov 2024, 07:22

Type	Values Removed	Values Added
References	~~() https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md - Exploit, Third Party Advisory~~	() https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md - Exploit, Third Party Advisory

Information

Published : 2022-09-23 15:15

Updated : 2025-05-22 20:15

NVD link : CVE-2022-40855

Mitre link : CVE-2022-40855

CVE.ORG link : CVE-2022-40855

JSON object : View

Products Affected

tenda

w20e
w20e_firmware

CWE

CWE-787

Out-of-bounds Write

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9.8 /10