CVE-2022-43972
Null pointer dereference in Linksys WRT54GL
HIGH 7.5EPSS 1.3%
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
- Linksys · WRT54GL Wireless-G Broadband Router
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v3.1 TRELLIX
- 6.5 MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 1.31% chance of exploitation in the next 30 days, 70th percentile
- Published
- 2023-01-09
- Updated
- 2025-04-09