CVE-2025-68406

Analyzed Analyzed - Analysis Complete

Path Traversal in Qsync Central 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 Qsync Central. 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: Qsync Central 5.0.0.4 ( 2026/01/20 ) 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-2025-68406

Affected Vendors & Products

Vendor	Product	Version / Range
qnap	qsync_central	From 5.0.0.0 (inc) to 5.0.0.4 (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

Detection Guidance

I don't know

Executive Summary

This vulnerability is a path traversal issue affecting Qsync Central. It allows a remote attacker who has gained access to a user account to exploit the vulnerability and read the contents of files or system data that they should not normally be able to access.

Impact Analysis

If exploited, this vulnerability can allow an attacker with user-level access to read unexpected or sensitive files on the system. This could lead to unauthorized disclosure of information or system data, potentially compromising confidentiality.

Compliance Impact

I don't know

Mitigation Strategies

To mitigate this vulnerability, you should upgrade Qsync Central to version 5.0.0.4 or later, where the issue has been fixed.

Additionally, since the vulnerability requires a remote attacker to have a user account, reviewing and tightening user account access controls may help reduce risk.

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