Use of Externally-Controlled Format String Vulnerability in QNAP Operating Systems
CVE-2025-48730

5.1MEDIUM

Key Information:

Vendor

QNAP
Status
Qts
Quts Hero
Vendor
CVE Published:
3 October 2025

What is CVE-2025-48730?

A vulnerability exists in several versions of QNAP operating systems due to the use of externally-controlled format strings. This allows remote attackers who gain administrator access to exploit the vulnerability, potentially leading to unauthorized access to sensitive data or manipulation of memory. The issue has been addressed in QTS version 5.2.6.3195 build 20250715 and later, as well as QuTS hero version h5.2.6.3195 build 20250715 and later. It's critical for users to update their systems to these safe versions to mitigate the risk.

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Affected Version(s)

QTS 5.2.x < 5.2.6.3195 build 20250715

QuTS hero h5.2.x

References

https://www.qnap.com/en/security-advisory/qsa-25-36

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
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
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