Is CVE-2025-59385 actively exploited?

No active exploitation of CVE-2025-59385 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-59385 be exploited remotely?

Yes. CVE-2025-59385 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-59385?

CVE-2025-59385 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-59385

CWE-290Published: December 16, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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

NVD Source

Technical Analysis

CVE-2025-59385 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.