CVE-2025-66276critical

CVE-2025-66276: critical vulnerability in QNAP Systems Inc. QTS

QTS

Published

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.2epss 0.3%
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:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
QNAP Systems Inc. · QTSQNAP Systems Inc. · QuTS hero
Related CVEs — QNAP Systems Inc. QTS

In the same product, most dangerous first.

CVE-2020-2509CRITICALCommand Injection Vulnerability in QTS and QuTS heroEPSS 34.0%KEVCVE-2018-19953MEDIUMCVE-2018-19953EPSS 30.5%KEVCVE-2018-19949CRITICALCVE-2018-19949EPSS 30.2%KEVCVE-2018-19943HIGHCVE-2018-19943EPSS 22.7%KEVCVE-2023-47218MEDIUMQTS, QuTS hero, QuTScloudEPSS 89.9%CVE-2023-51364HIGHQTS, QuTS hero, QuTScloudEPSS 39.7%