CVE-2022-43972CWE-476

Null pointer dereference in Linksys WRT54GL

Medium · published January 9, 2023

CVSS v3.1
6.5
EPSS
1%
Percentile
71.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01351 · 71.3th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2023-01-09T00:00Z
EPSS history
Timeline
  • 09 JAN 00:00Z
    Null pointer dereference in Linksys WRT54GL
    cvelistv5