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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00275.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
QNAP Systems Inc. File Station 5 unaffected
Version Status Constraints
5.5.x affected < 5.5.6.5243

Configuration 1 [-]

cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*

No data.

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Project Subscriptions

Vendors Products
Qnap Subscribe
File Station Subscribe
Advisories

No advisories yet.

Fixes

Solution

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

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.qnap.com/en/app-release-notes?keyword=FileStation5&app=FileStation5&product-line=nas cve-icon cve-icon
History

Fri, 16 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Qnap
Qnap file Station
CPEs cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*
Vendors & Products Qnap
Qnap file Station
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Thu, 15 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Description 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
Title NULL Pointer Dereference in utilRequest.cgi
Weaknesses CWE-476
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: qnap

Published:

Updated: 2026-10-15T14:50:01.709Z

Reserved: 2026-01-26T06:41:35.898Z

Link: CVE-2026-24723

cve-icon Vulnrichment

Updated: 2026-10-15T14:49:58.087Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-15T07:18:00.017

Modified: 2026-10-16T17:16:57.803

Link: CVE-2026-24723

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T22:15:06Z

Weaknesses