Unauthorized Access Vulnerability in QNAP Operating Systems
CVE-2025-58466

1.2LOW

Key Information:

Vendor

QNAP
Status
Qts
Quts Hero
Vendor
CVE Published:
11 February 2026

What is CVE-2025-58466?

A vulnerability exists in several versions of QNAP's operating system due to the use of uninitialized variables. This flaw can be exploited by an attacker with administrator privileges to trigger denial of service conditions or manipulate the control flow, potentially leading to system instability. Users are strongly urged to update to the fixed versions to mitigate the risks associated with this vulnerability.

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Deploy the Patch

Affected Version(s)

QTS 5.2.x < 5.2.8.3332 build 20251128

QuTS hero h5.2.x

References

https://www.qnap.com/en/security-advisory/qsa-26-05

CVSS V4

Score:
1.2
Severity:
LOW
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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