Buffer Overflow Vulnerability in QNAP Operating Systems
CVE-2025-52872

1.3LOW

Key Information:

Vendor

QNAP
Status
Qts
Quts Hero
Vendor
CVE Published:
2 January 2026

What is CVE-2025-52872?

A buffer overflow vulnerability has been identified in various QNAP operating system versions. If a malicious actor gains access to a user account, they could exploit this flaw to modify memory segments or destabilize processes, potentially leading to unauthorized actions or service disruptions. It is crucial for users to update their systems to the patched versions to safeguard against potential exploits.

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Deploy the Patch

Affected Version(s)

QTS 5.2.x < 5.2.7.3256 build 20250913

QuTS hero h5.2.x

QuTS hero h5.3.x

References

https://www.qnap.com/en/security-advisory/qsa-25-50

CVSS V4

Score:
1.3
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

coral
JSON
.