CVE-2025-53590 — MEDIUM (4.9)

Vulnerability 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 version: QTS 5.2.7.3256 build 20250913 and later

CVSS Score

4.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

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

Related Weaknesses (CWE)

CWE-476

References

https://www.qnap.com/en/security-advisory/qsa-25-50Vendor Advisory

FAQ

What is CVE-2025-53590?

CVE-2025-53590 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 vulnerabilit...

How severe is CVE-2025-53590?

CVE-2025-53590 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-53590?

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