Path Traversal Vulnerability in QNAP Operating System
CVE-2025-30270

5.3MEDIUM

Key Information:

Vendor

QNAP

Vendor
CVE Published:
29 August 2025

What is CVE-2025-30270?

A path traversal vulnerability has been identified in various versions of the QNAP operating system. This flaw allows a remote attacker, who possesses a valid user account, to exploit the vulnerability and access sensitive files or system data that should not be exposed. The malicious actor could potentially navigate outside of the restricted areas of the file system, leading to unauthorized disclosure of information. It is crucial for users to update to the patched versions QTS 5.2.5.3145 build 20250526 or later, and QuTS hero h5.2.5.3138 build 20250519 or later to mitigate the risk.

Affected Version(s)

QTS 5.2.x < 5.2.5.3145 build 20250526

QuTS hero h5.2.x

References

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

coral
.
CVE-2025-30270 : Path Traversal Vulnerability in QNAP Operating System