CVE-2025-62853
Analyzed Analyzed - Analysis Complete
Path Traversal in File Station 5 Allows Unauthorized File Access

Publication date: 2026-02-11

Last updated on: 2026-02-12

Assigner: QNAP Systems, Inc.

Description
A path traversal vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5166 and later
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Meta Information
Published
2026-02-11
Last Modified
2026-02-12
Generated
2026-06-16
AI Q&A
2026-02-11
EPSS Evaluated
2026-06-14
NVD
CVE-2025-62853
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
qnap file_station From 5.5.6.4691 (inc) to 5.5.6.5190 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
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Executive Summary

This vulnerability is a path traversal issue affecting File Station 5. It allows a remote attacker who has gained a user account to exploit the vulnerability to read the contents of files or system data that they should not normally have access to.

Impact Analysis

If exploited, this vulnerability can allow an attacker to access sensitive or unexpected files and system data, potentially leading to unauthorized disclosure of information and compromising the confidentiality of your system.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, you should upgrade File Station 5 to version 5.5.6.5166 or later, where the issue has been fixed.

Additionally, restrict remote user account access to trusted users only, as exploitation requires a valid user account.

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