An allocation of resources without limits or throttling vulnerability has been reported to affect File Station 5. If a remote attacker gains an administrator account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource.

We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.5018 and later

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact High

Attack Vector Network

Attack Complexity Low

Privileges Required High

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 0.00042.

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 < 5.5.6.5018

Configuration 1 [-]

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

No data.

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Vendors Products
Qnap Systems Subscribe
File Station 5 Subscribe

Project Subscriptions

Vendors Products
Qnap Subscribe
File Station Subscribe
Qnap Systems Subscribe
File Station 5 Subscribe
Advisories

No advisories yet.

Fixes

Solution

We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5018 and later

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.qnap.com/en/security-advisory/qsa-26-03 cve-icon cve-icon
History

Thu, 12 Feb 2026 20:00:00 +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': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

Thu, 12 Feb 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 11 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Qnap Systems
Qnap Systems file Station 5
Vendors & Products Qnap Systems
Qnap Systems file Station 5

Wed, 11 Feb 2026 12:45:00 +0000

Type Values Removed Values Added
Description An allocation of resources without limits or throttling vulnerability has been reported to affect File Station 5. If a remote attacker gains an administrator account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5018 and later
Title File Station 5
Weaknesses CWE-770
References
Metrics cvssV4_0

{'score': 3.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: qnap

Published:

Updated: 2026-02-11T15:43:28.854Z

Reserved: 2025-07-17T06:10:31.826Z

Link: CVE-2025-54155

cve-icon Vulnrichment

Updated: 2026-02-11T15:36:49.898Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-11T13:15:54.750

Modified: 2026-02-12T19:57:54.517

Link: CVE-2025-54155

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-11T21:38:33Z

Weaknesses