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CVE-2025-9110

An exposure of sensitive system information to an unauthorized control sphere vulnerability has been reported to affect

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.

HIGH · CVSS 7.5 EPSS 0.00016
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-497Exposure of Sensitive System Information to an Unauthorized Control Sphere
▤

Affected Products & Versions

2
qnap qtsall versions
qnap quts heroall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@qnapsecurity.com.tw
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jan 2026 · 04:17 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.qnap.com/en/security-advisory/qsa-25-51Vendor Advisory
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