---
id: CVE-2025-47208
title: >-
  An allocation of resources without limits or throttling vulnerability has been
  reported to affect several QNAP operating system versions
summary: >-
  An allocation of resources without limits or throttling vulnerability has been
  reported to affect several QNAP operating system versions. If a remote
  attacker gains a user account, they can then exploit the vulnerability to
  prevent other…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: qnap
product: quts_hero
affected:
  - 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 = h5.3.0.3115
  - quts_hero = h5.3.0.3145
  - quts_hero = h5.3.0.3192
  - 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
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-2025-47208'
references:
  - url: 'https://www.qnap.com/en/security-advisory/qsa-25-50'
    label: security@qnapsecurity.com.tw
tags:
  - nvd
epss: 0.0034
epssPercentile: 0.25743
ingestedAt: '2026-10-14T19:49:57.540Z'
---

## Overview

An allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource.

We have already fixed the vulnerability in the following versions:
QTS 5.2.6.3195 build 20250715 and later
QuTS hero h5.2.6.3195 build 20250715 and later

## Affected

- `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 = h5.3.0.3115`
- `quts_hero = h5.3.0.3145`
- `quts_hero = h5.3.0.3192`
- `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`

## Remediation

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