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CVE-2025-52424

MEDIUMCVSS 5.1/10EPSS 0.43%

Last modified

CVE-2025-52424 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later

Metrics

CVSS 3.1
4.9/10

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

CVSS 4.0
5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/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

EPSS Probability
0.43%

34.3th 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
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

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-52424?
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later
How severe is CVE-2025-52424?
CVE-2025-52424 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2025-52424?
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.

Are you affected by CVE-2025-52424?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST