Vulnerabilities > CVE-2022-40855 - Out-of-bounds Write vulnerability in Tenda W20E Firmware 15.11.0.6

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
tenda
CWE-787
critical

Summary

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.

Vulnerable Configurations

Part Description Count
OS
Tenda
1
Hardware
Tenda
1

Common Weakness Enumeration (CWE)