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MEDIUM · 4.9

CVE-2025-58466

A use of uninitialized variable vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnera...

Vulnerability Description

A use of uninitialized variable vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to denial of service conditions, or modify control flow in unexpected ways. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3332 build 20251128 and later QuTS hero h5.2.8.3321 build 20251117 and later

CVSS Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
QnapQts5.2.0.2737
QnapQuts Heroh5.2.0.2737

Related Weaknesses (CWE)

CWE-457

References

FAQ

What is CVE-2025-58466?

CVE-2025-58466 is a vulnerability with a CVSS score of 4.9 (MEDIUM). A use of uninitialized variable vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnera...

How severe is CVE-2025-58466?

CVE-2025-58466 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-58466?

Check the references section above for vendor advisories and patch information. Affected products include: Qnap Qts, Qnap Quts Hero.