D-Link DIR-823X Null Pointer Dereference Vulnerability

Vulnerability

A critical null pointer dereference vulnerability has been identified in the D-Link DIR-823X router, specifically in the firmware versions 240126 and 240802. This vulnerability resides in the function FUN_00412244 and can be exploited remotely.

Impact

Exploitation of this vulnerability leads to a null pointer dereference, which can cause a denial-of-service condition by crashing the device or causing it to become unresponsive.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
4.5
impact
2.5
exploitability
7.0
remediation
0.0
relevance
0.0
threat
0.0
urgency
2.9
incentive
5.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.