CVE-2022-43972

CWE-476 — NULL Pointer Dereference3 documents3 sources
Severity
7.5HIGH
EPSS
1.5%
top 18.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linksys Wrt54gl Wireless-g Broadband RouterLinksys Wrt54gl Firmware
Timeline
PublishedJan 9

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.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5linksys/wrt54gl_wireless-g_broadband_routerFirmware — 4.30.18.006
▶NVDlinksys/wrt54gl_firmware4.30.18.006

🔴Vulnerability Details

2
GHSA
GHSA-2p3f-3cj6-r8vv: A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4↗2023-01-09
▶
CVEList
Null pointer dereference in Linksys WRT54GL↗2023-01-09
▶