Out-of-Bounds Read Vulnerability in Qsync Central by QNAP
CVE-2025-54170

4.9MEDIUM

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
11 February 2026

What is CVE-2025-54170?

An out-of-bounds read vulnerability in Qsync Central allows remote attackers, with valid user accounts, to exploit this weakness and gain access to sensitive information. The flaw manifests in improper handling of data boundaries, potentially exposing confidential data to unauthorized individuals. Users are recommended to upgrade to Qsync Central version 5.0.0.4 (released on January 20, 2026) or later to safeguard against this vulnerability.

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Deploy the Patch

Affected Version(s)

Qsync Central 5.0.x.x < 5.0.0.4 ( 2026/01/20 )

References

https://www.qnap.com/en/security-advisory/qsa-26-02

CVSS V4

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

coral
JSON
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