CVE-2022-43972 describes a null pointer dereference vulnerability in Linksys WRT54GL Wireless-G Broadband Routers with firmware version 4.30.18.006 and earlier. An unauthenticated attacker can trigger this vulnerability remotely by sending a crafted POST request to the upnp binary, specifically targeting the AddPortMapping action. This flaw carries a CVSS score of 7.5 (HIGH), indicating a severe impact on availability (A:H) with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.30.18.006CPE matchmatch criteria | cpe:2.3:o:linksys:wrt54gl_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.