CVE-2025-29882

Severity CVSS v4.0:

MEDIUM

Type:

CWE-476 NULL Pointer Dereference

Publication date:

29/08/2025

Last modified:

02/09/2025

Description

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

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): Low
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

5.30

Severity 4.0

MEDIUM

References to Advisories, Solutions, and Tools

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