---
id: CVE-2026-24722
title: >-
  A NULL pointer dereference vulnerability has been reported to affect File
  Station 5
summary: >-
  A NULL pointer dereference vulnerability has been reported to affect File
  Station 5. If a remote attacker gains a user account, they can then exploit
  the vulnerability to launch a denial-of-service (DoS) attack.


  We have already fixed th…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
vendor: qnap
product: file_station
affected:
  - file_station < 5.5.6.5243
patched:
  - file_station 5.5.6.5243
published: '2026-10-15'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T17:18:18.600'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-24722'
references:
  - url: >-
      https://www.qnap.com/en/app-release-notes?keyword=FileStation5&app=FileStation5&product-line=nas
    label: security@qnapsecurity.com.tw
tags:
  - nvd
  - cve.org
epss: 0.0028
epssPercentile: 0.20322
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-15T14:51:13.699746Z'
scores:
  nvd: 6.5
  cna: 5.3
ingestedAt: '2026-10-15T07:57:27.848Z'
---

## Overview

A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.

We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.5243 and later

## Affected

- `file_station < 5.5.6.5243`

## Remediation

Upgrade past the affected range:

- `file_station 5.5.6.5243`