Description

A link following vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to traverse the file system to unintended locations. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3350 build 20251216 and later QuTS hero h5.3.2.3354 build 20251225 and later QuTS hero h5.2.8.3350 build 20251216 and later

INFO

Published Date :

2026-02-11T12:15:43.851Z

Last Modified :

2026-02-26T14:44:26.986Z

Source :

qnap
AFFECTED PRODUCTS

The following products are affected by CVE-2025-66277 vulnerability.

Vendors Products
Qnap
  • Qts
  • Quts Hero
Qnap Systems
  • Qts
  • Quts Hero
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-66277.

URL Resource
https://www.qnap.com/en/security-advisory/qsa-26-05 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact