VulnerabilityAnalyzed

CVE-2025-59385

An authentication bypass by spoofing vulnerability has been reported to affect several QNAP operating system versions.

HIGH 8.1EPSS 0.64%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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

CVSS 4.0: 8.1 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.64% probability · 49th percentile
CISA KEV: Not listed
Weakness: CWE-290
Affected: qnap/qts · qnap/quts hero
Source: security@qnapsecurity.com.tw

References

https://www.qnap.com/en/security-advisory/qsa-25-45Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.