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

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.

Detection Guidance

I don't know

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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