---
id: CVE-2024-53691
title: 'QTS, QuTS hero'
summary: >-
  A link following vulnerability has been reported to affect several QNAP
  operating system versions. If exploited, the vulnerability could allow remote
  attackers who have gained user access to traverse the file system to
  unintended locatio…
severity: high
cvss: 8.7
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-59
vendor: QNAP Systems Inc.
product: QTS
affected:
  - QTS >= 5.1.x < 5.1.8.2823 build 20240712
  - QTS >= 5.2.x < 5.2.0.2802 build 20240620
  - quts_hero >= h5.1.x < h5.1.8.2823 build 20240712
  - quts_hero >= h5.2.x < h5.2.0.2802 build 20240620
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2025-01-24T04:55:43.211758Z'
exploitAvailable: true
published: '2024-12-06'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T00:07:50.826Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-53691'
references:
  - url: 'https://www.qnap.com/en/security-advisory/qsa-24-28'
tags:
  - cve.org
  - exploit-available
epss: 0.23758
epssPercentile: 0.97832
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/C411e/CVE-2024-53691'
  checkedAt: '2026-11-07T17:45:14.671Z'
ingestedAt: '2026-11-05T20:33:06.644Z'
---

## Overview

A link following vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to traverse the file system to unintended locations.

We have already fixed the vulnerability in the following versions:
QTS 5.1.8.2823 build 20240712 and later
QTS 5.2.0.2802 build 20240620 and later
QuTS hero h5.1.8.2823 build 20240712 and later
QuTS hero h5.2.0.2802 build 20240620 and later

## Affected

- `QTS >= 5.1.x < 5.1.8.2823 build 20240712`
- `QTS >= 5.2.x < 5.2.0.2802 build 20240620`
- `quts_hero >= h5.1.x < h5.1.8.2823 build 20240712`
- `quts_hero >= h5.2.x < h5.2.0.2802 build 20240620`

## Remediation

We have already fixed the vulnerability in the following versions:
QTS 5.1.8.2823 build 20240712 and later
QTS 5.2.0.2802 build 20240620 and later
QuTS hero h5.1.8.2823 build 20240712 and later
QuTS hero h5.2.0.2802 build 20240620 and later