CVE-2025-66276

QTS

Published Jun 10, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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

Remediation

Vendor Solution

We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 build 20250913 and later

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-200
CWE-94
Type Values Removed Values Added
First Time appeared Qnap
Qnap qts
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
Vendors & Products Qnap
Qnap qts
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Qnap Systems
Qnap Systems qts
Qnap Systems quts Hero
Weaknesses CWE-200
CWE-94
Vendors & Products Qnap Systems
Qnap Systems qts
Qnap Systems quts Hero
Type Values Removed Values Added
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
Title QTS
First Time appeared Qnap Systems Inc.
Qnap Systems Inc. qts
CPEs cpe:2.3:a:qnap_systems_inc.:qts:*:*:*:*:*:*:*:*
Vendors & Products Qnap Systems Inc.
Qnap Systems Inc. qts
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
qnap
Published
Updated
Jun 10, 2026, 4:07 PM
Reserved
Nov 26, 2025, 9:25 AM
Status
Analyzed
Published
Jun 10, 2026, 3:16 AM
Modified
Jul 23, 2026, 9:10 AM