---
id: CVE-2025-59385
title: >-
  An authentication bypass by spoofing vulnerability has been reported to affect
  several QNAP operating system versions
summary: >-
  An authentication bypass by spoofing vulnerability has been reported to affect
  several QNAP operating system versions. The remote attackers can then exploit
  the vulnerability to access resources which are not otherwise accessible
  without…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-290
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
  - 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 = h5.3.0.3115
  - quts_hero = h5.3.0.3145
  - quts_hero = h5.3.0.3192
  - quts_hero = h5.3.1.3250
published: '2025-12-16'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T19:10:00.160'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59385'
references:
  - url: 'https://www.qnap.com/en/security-advisory/qsa-25-45'
    label: security@qnapsecurity.com.tw
tags:
  - nvd
epss: 0.00636
epssPercentile: 0.48766
ingestedAt: '2026-10-07T20:46:46.947Z'
---

## Overview

An authentication bypass by spoofing vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to access resources which are not otherwise accessible without proper authentication.

We have already fixed the vulnerability in the following versions:
QTS 5.2.7.3297 build 20251024 and later
QuTS hero h5.2.7.3297 build 20251024 and later
QuTS hero h5.3.1.3292 build 20251024 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`
- `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 = h5.3.0.3115`
- `quts_hero = h5.3.0.3145`
- `quts_hero = h5.3.0.3192`
- `quts_hero = h5.3.1.3250`

## Remediation

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