CVE-2025-30274 — MEDIUM (6.5)

Vulnerability Description

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and later

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qnap	Qts	5.2.0.2737
Qnap	Quts Hero	h5.2.0.2737

Related Weaknesses (CWE)

CWE-476

References

https://www.qnap.com/en/security-advisory/qsa-25-21Vendor Advisory

FAQ

What is CVE-2025-30274?

CVE-2025-30274 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have...

How severe is CVE-2025-30274?

CVE-2025-30274 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-30274?

Check the references section above for vendor advisories and patch information. Affected products include: Qnap Qts, Qnap Quts Hero.