CVE-2022-43972

Null pointer dereference in Linksys WRT54GL

Published Jan 9, 2023 CVSS 3.1 · 6.5 Medium EPSS 1.4% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-46940 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
trellix
Published
Updated
Apr 9, 2025, 2:22 PM
Reserved
Oct 28, 2022, 12:00 AM
Status
Modified
Published
Jan 9, 2023, 9:15 PM
Modified
Jun 17, 2026, 5:07 AM