CVE-2025-30271 – QNAP Operating System Path Traversal Vulnerability

The following table lists the changes that have been made to the
CVE-2025-30271 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 29, 2025

    Action Type Old Value New Value
    Added Description A path traversal 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 read the contents of unexpected files or system data.

    We have already fixed the vulnerability in the following versions:
    QTS 5.2.5.3145 build 20250526 and later
    QuTS hero h5.2.5.3138 build 20250519 and later

    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-22
    Added Reference https://www.qnap.com/en/security-advisory/qsa-25-21
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