CVE-2025-62855

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 local attacker gains an administrator 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 5.5.6.5190 and later

CVSS 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

2026-07-04

NVD

CVE-2025-62855

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 local attacker who has an administrator account to exploit the flaw and read the contents of files or system data that they normally should not have access to.

Impact Analysis

If exploited, this vulnerability can allow an attacker with administrator privileges to access sensitive or unexpected files on the system, potentially leading to unauthorized disclosure of confidential information or system data.

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 5.5.6.5190 or later, where the vulnerability has been fixed.

Additionally, ensure that only trusted users have administrator accounts, as exploitation requires local administrator access.

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