vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2025-29882

QTS, QuTS hero

MEDIUM
6.5
CVSS Score
Published: August 29, 2025 at 05:14 PM UTC
Updated: September 26, 2026 at 12:27 AM UTC
2 products affected across 1 vendorQTSQuTS hero

Using QTS by QNAP Systems Inc.?

Get instant alerts when new vulnerabilities affect QTS - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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. 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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

QTS· Qnap
95%
5.2.x ≤ v < 5.2.5.3145 build 202505265.2.0.2737 build_202404175.2.0.2744 build_202404245.2.0.2782 build_202406015.2.0.2802 build_202406205.2.0.2823 build_202407115.2.0.2851 build_202408085.2.0.2860 build_202408175.2.1.2930 build_202410255.2.2.2950 build_202411145.2.3.3006 build_202501085.2.4.3070 build_202503125.2.4.3079 build_202503215.2.4.3092 build_202504035.2.x
Affected range stops below 5.2.5.3145 build 20250526, so it looks safe — our inference, not a vendor statement
QuTS hero· Qnap
95%
h5.2.x ≤ v < h5.2.5.3138 build 20250519h5.2.0.2737 build_20240417h5.2.0.2782 build_20240601h5.2.0.2789 build_20240607h5.2.0.2802 build_20240620h5.2.0.2823 build_20240711h5.2.0.2851 build_20240808h5.2.0.2860 build_20240817h5.2.1.2929 build_20241025h5.2.1.2940 build_20241105h5.2.2.2952 build_20241116h5.2.3.3006 build_20250108h5.2.4.3070 build_20250312h5.2.4.3079 build_20250321h5.2.x
Affected range stops below h5.2.5.3138 build 20250519, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.qnap.com/en/security-advisory/qsa-25-21

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card