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CVE-2025-66276

QTS

Published: Jun 10, 2026Updated: Jun 12, 2026 Sources: CVE List NVDNVD-CWE-noinfo
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.3%
Top 79.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

QuTS hero is not affected. We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 build 20250913 and later

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfo

Affected Products

QTSQNAP Systems Inc.Hardware Firmware
QuTS heroQNAP Systems Inc.Hardware Firmware
qtsqnapHardware Firmware
qnap systems inc.commercialTWHardware Firmwareaka qnap
qnapcommercialTWHardware Firmwareaka qnap systems

Exploitability

Official Patch Available

References

https://www.qnap.com/en/security-advisory/qsa-25-56
qnap.com

Timeline

Published
Jun 10, 2026
Last Updated
Jun 12, 2026

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