Vulnerability · Published Jan 9, 2023 · Assigned by trellix
CVE-2022-43972Null pointer dereference in Linksys WRT54GL
Medium 6.5
In plain English
A medium-severity null pointer dereference in WRT54GL Wireless-G Broadband Router from Linksys. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.4%top 28.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linksys | WRT54GL Wireless-G Broadband Router | Firmware – through 4.30.18.006 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H