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

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-02-11

Last Modified

2026-02-12

Generated

2026-07-06

AI Q&A

2026-02-11

EPSS Evaluated

2026-07-05

NVD

CVE-2025-62853

Affected Vendors & Products

Vendor	Product	Version / Range
qnap	file_station	From 5.5.6.4691 (inc) to 5.5.6.5190 (exc)

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

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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