CVE-2025-9110

QTS, QuTS hero

CVSS 2.7 LOWEPSS 0.4%CWE-497

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 2.7EPSS 0.4%KEV nãoPoC —Patch —

Lifecycle

02 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An exposure of sensitive system information to an unauthorized control sphere vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to read application data. 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 QuTS hero h5.3.1.3250 build 20250912 and later

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U

Affected products

QNAP Systems Inc. · QTS QNAP Systems Inc. · QuTS hero

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References

https://www.qnap.com/en/security-advisory/qsa-25-51