Authenticated file disclosure via relative path traversal
Published Feb 11, 2026 · Updated Feb 11, 2026
Path traversal in QNAP Qsync Central 5.0.x before 5.0.0.4 allows remote authenticated users to read unexpected files and system data. QNAP identifies relative path traversal but has not disclosed the affected request handler, input field, or missing pathname-validation operation. A valid Qsync user account and network access are required; the reported consequence is file disclosure without reported write or service-interruption capability.
Summary
What happened
Path traversal in QNAP Qsync Central 5.0.x before 5.0.0.4 allows remote authenticated users to read unexpected files and system data. QNAP identifies relative path traversal but has not disclosed the affected request handler, input field, or missing pathname-validation operation. A valid Qsync user account and network access are required; the reported consequence is file disclosure without reported write or service-interruption capability.
The record
- CVE
- CVE-2025-58470
- Published
- Feb 11, 2026
- Updated
- Feb 11, 2026
- Vendor
- Linn Products Limited
- Product
- Qsync Central
- Classifications
- CWE-22, CAPEC-126, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 11, 2026CVE publishedPublication date reported by the CVE source.
- Feb 11, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=5.0.x.x <5.0.0.4 ( 2026/01/20 )
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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