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CVE-2025-59385

CRITICALCVSS 9.8/10EPSS 0.63%

Last modified

CVE-2025-59385 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0
8.1/10

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/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

EPSS Probability
0.63%

45.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
QnapQts5.2.0.2737Build 20240417
QnapQts5.2.0.2744Build 20240424
QnapQts5.2.0.2782Build 20240601
QnapQts5.2.0.2802Build 20240620
QnapQts5.2.0.2823Build 20240711
QnapQts5.2.0.2851Build 20240808
QnapQts5.2.0.2860Build 20240817
QnapQts5.2.1.2930Build 20241025
QnapQts5.2.2.2950Build 20241114
QnapQts5.2.3.3006Build 20250108
QnapQts5.2.4.3070Build 20250312
QnapQts5.2.4.3079Build 20250321
QnapQts5.2.4.3092Build 20250403
QnapQts5.2.5.3145Build 20250526
QnapQts5.2.6.3195Build 20250715
QnapQts5.2.6.3229Build 20250818
QnapQts5.2.7.3256Build 20250913
QnapQuts Heroh5.2.0.2737Build 20240417
QnapQuts Heroh5.2.0.2782Build 20240601
QnapQuts Heroh5.2.0.2789Build 20240607
QnapQuts Heroh5.2.0.2802Build 20240620
QnapQuts Heroh5.2.0.2823Build 20240711
QnapQuts Heroh5.2.0.2851Build 20240808
QnapQuts Heroh5.2.0.2860Build 20240817
QnapQuts Heroh5.2.1.2929Build 20241025
QnapQuts Heroh5.2.1.2940Build 20241105
QnapQuts Heroh5.2.2.2952Build 20241116
QnapQuts Heroh5.2.3.3006Build 20250108
QnapQuts Heroh5.2.4.3070Build 20250312
QnapQuts Heroh5.2.4.3079Build 20250321
QnapQuts Heroh5.2.5.3138Build 20250519
QnapQuts Heroh5.2.6.3195Build 20250715
QnapQuts Heroh5.2.7.3256Build 20250913
QnapQuts Heroh5.3.0.3115Build 20250430
QnapQuts Heroh5.3.0.3145Build 20250530
QnapQuts Heroh5.3.0.3192Build 20250716
QnapQuts Heroh5.3.1.3250Build 20250912

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-59385?
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
How severe is CVE-2025-59385?
CVE-2025-59385 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2025-59385?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST