| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in QNAP QTS and QuTS hero. It has been declared as problematic. Affected is an unknown function of the component User Account Handler. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2025-29882. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability was found in QNAP QTS and QuTS hero (version now known). It has been classified as problematic. Affected is some unknown processing of the component User Account Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:
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
The weakness was released by coral as qsa-25-21. The advisory is shared for download at qnap.com. This vulnerability is traded as CVE-2025-29882 since 03/12/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1936). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Affected
- QNAP NAS
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.qnap.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
03/12/2025 CVE reserved08/29/2025 Advisory disclosed
08/29/2025 VulDB entry created
09/23/2025 VulDB entry last update
Sources
Vendor: qnap.comAdvisory: qsa-25-21
Researcher: coral
Status: Confirmed
CVE: CVE-2025-29882 (🔒)
GCVE (CVE): GCVE-0-2025-29882
GCVE (VulDB): GCVE-100-321936
CERT Bund: WID-SEC-2025-1936 - QNAP NAS QTS und QTS hero: Mehrere Schwachstellen
Entry
Created: 08/29/2025 23:20Updated: 09/23/2025 05:10
Changes: 08/29/2025 23:20 (68), 09/01/2025 11:00 (7), 09/23/2025 05:10 (11)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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