Vulnerability · Published Dec 16, 2025 · Assigned by qnap

CVE-2025-59385QTS, QuTS hero

High 8.1

In plain English

A high-severity authentication bypass by spoofing in QTS from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 4.0)8.1High
Exploit odds (30 days)0.6%top 49.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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

Affected products (as reported)

VendorProductVersions
QNAP Systems Inc. QTS 5.2.x – before 5.2.7.3297 build 20251024
QNAP Systems Inc. QuTS hero h5.2.x – before h5.2.7.3297 build 20251024h5.3.x – before h5.3.1.3292 build 20251024

Weakness: CWE-290 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

References