QNAP File Station 5 NULL Pointer Dereference Vulnerability Leading to Denial-of-Service

Vulnerability

A NULL pointer dereference vulnerability has been identified in QNAP File Station 5, specifically in versions 5.5.x. This vulnerability allows remote attackers with user accounts to exploit the issue, causing a denial-of-service (DoS) condition.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing the application to become unresponsive or unavailable.

Remediation

Users are advised to update File Station 5 to version 5.5.6.4847 or later. Instructions for updating the application are available on the QNAP website.

Added: Jun 6, 2025, 4:34 PM
Updated: Jun 6, 2025, 4:34 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
2.5
exploitability
5.2
remediation
7.7
relevance
0.1
threat
0.0
urgency
2.9
incentive
1.7

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