VULNERABILITY INTELLIGENCE

CVE-2022-43972

CVSS score6.5 MEDIUM
EPSS probability1.35%
CISA KEVNot currently listed
Published2023-01-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references