---
id: CVE-2025-9110
title: >-
  An exposure of sensitive system information to an unauthorized control sphere
  vulnerability has been reported to affect several QNAP operating system
  versions
summary: >-
  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 d…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-497
vendor: qnap
product: qts
affected:
  - qts = 5.2.0.2737
  - qts = 5.2.0.2744
  - qts = 5.2.0.2782
  - qts = 5.2.0.2802
  - qts = 5.2.0.2823
  - qts = 5.2.0.2851
  - qts = 5.2.0.2860
  - qts = 5.2.1.2930
  - qts = 5.2.2.2950
  - qts = 5.2.3.3006
  - qts = 5.2.4.3070
  - qts = 5.2.4.3079
  - qts = 5.2.4.3092
  - qts = 5.2.5.3145
  - qts = 5.2.6.3195
  - qts = 5.2.6.3229
  - qts = 5.2.7.3256
  - qts = 5.2.7.3297
  - quts_hero = h5.2.0.2737
  - quts_hero = h5.2.0.2782
  - quts_hero = h5.2.0.2789
  - quts_hero = h5.2.0.2802
  - quts_hero = h5.2.0.2823
  - quts_hero = h5.2.0.2851
  - quts_hero = h5.2.0.2860
  - quts_hero = h5.2.1.2929
  - quts_hero = h5.2.1.2940
  - quts_hero = h5.2.2.2952
  - quts_hero = h5.2.3.3006
  - quts_hero = h5.2.4.3070
  - quts_hero = h5.2.4.3079
  - quts_hero = h5.2.5.3138
  - quts_hero = h5.2.6.3195
  - quts_hero = h5.2.7.3256
  - quts_hero = h5.2.7.3297
  - quts_hero = h5.3.0.3115
  - quts_hero = h5.3.0.3145
  - quts_hero = h5.3.0.3192
published: '2026-01-02'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T19:10:00.297'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9110'
references:
  - url: 'https://www.qnap.com/en/security-advisory/qsa-25-51'
    label: security@qnapsecurity.com.tw
tags:
  - nvd
epss: 0.00453
epssPercentile: 0.37755
ingestedAt: '2026-10-14T19:49:57.547Z'
---

## Overview

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

## Affected

- `qts = 5.2.0.2737`
- `qts = 5.2.0.2744`
- `qts = 5.2.0.2782`
- `qts = 5.2.0.2802`
- `qts = 5.2.0.2823`
- `qts = 5.2.0.2851`
- `qts = 5.2.0.2860`
- `qts = 5.2.1.2930`
- `qts = 5.2.2.2950`
- `qts = 5.2.3.3006`
- `qts = 5.2.4.3070`
- `qts = 5.2.4.3079`
- `qts = 5.2.4.3092`
- `qts = 5.2.5.3145`
- `qts = 5.2.6.3195`
- `qts = 5.2.6.3229`
- `qts = 5.2.7.3256`
- `qts = 5.2.7.3297`
- `quts_hero = h5.2.0.2737`
- `quts_hero = h5.2.0.2782`
- `quts_hero = h5.2.0.2789`
- `quts_hero = h5.2.0.2802`
- `quts_hero = h5.2.0.2823`
- `quts_hero = h5.2.0.2851`
- `quts_hero = h5.2.0.2860`
- `quts_hero = h5.2.1.2929`
- `quts_hero = h5.2.1.2940`
- `quts_hero = h5.2.2.2952`
- `quts_hero = h5.2.3.3006`
- `quts_hero = h5.2.4.3070`
- `quts_hero = h5.2.4.3079`
- `quts_hero = h5.2.5.3138`
- `quts_hero = h5.2.6.3195`
- `quts_hero = h5.2.7.3256`
- `quts_hero = h5.2.7.3297`
- `quts_hero = h5.3.0.3115`
- `quts_hero = h5.3.0.3145`
- `quts_hero = h5.3.0.3192`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.