CVEvulnerability

CVE-2022-43972

7.5 HIGH Published 2023-01-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-01-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

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.

Affected configurations

• linksys wrt54gl firmware (<= 4.30.18.006)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References