Vulnerabilities > CVE-2022-43972 - NULL Pointer Dereference vulnerability in Linksys Wrt54Gl Firmware 4.30.18.006

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
linksys
CWE-476

Summary

A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.

Vulnerable Configurations

Part Description Count
OS
Linksys
2
Hardware
Linksys
1

Common Weakness Enumeration (CWE)