Resource Allocation Vulnerability in Qsync Central by QNAP
CVE-2025-33039

7.1HIGH

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
3 October 2025

What is CVE-2025-33039?

A vulnerability has been identified in Qsync Central, where resource allocation is performed without adequate limits or throttling. This issue poses a risk if a remote attacker successfully gains access to a user account, enabling them to exploit this vulnerability to monopolize certain resources. As a result, other systems, applications, or processes may be hindered from accessing the same types of resources, leading to potential disruptions in service. It is crucial for users to update to version 5.0.0.1 or later, released on July 9, 2025, to mitigate this risk.

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Affected Version(s)

Qsync Central 4.x < 5.0.0.1 ( 2025/07/09 )

References

https://www.qnap.com/en/security-advisory/qsa-25-34

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
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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