QNAP QTS/QuTS hero null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in QNAP QTS and QuTS hero. The affected element is an unknown function. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2025-52432. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in QNAP QTS and QuTS hero (affected version not known). This affects some unknown functionality. 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. The summary by CVE is:

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 versions: QTS 5.2.6.3195 build 20250715 and later and later QuTS hero h5.2.6.3195 build 20250715 and later QuTS hero h5.3.0.3192 build 20250716 and later

The weakness was disclosed by coral as qsa-25-36. The advisory is shared at qnap.com. This vulnerability is uniquely identified as CVE-2025-52432 since 06/16/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are required for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-32364) and CERT Bund (WID-SEC-2025-2199). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • QNAP NAS

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: 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: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/16/2025 CVE reserved
10/03/2025 +109 days Advisory disclosed
10/03/2025 +0 days VulDB entry created
10/09/2025 +6 days VulDB entry last update

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-25-36
Researcher: coral
Status: Confirmed

CVE: CVE-2025-52432 (🔒)
GCVE (CVE): GCVE-0-2025-52432
GCVE (VulDB): GCVE-100-326937
EUVD: 🔒
CERT Bund: WID-SEC-2025-2199 - QNAP NAS QTS und QTS hero: Mehrere Schwachstellen

Entryinfo

Created: 10/03/2025 21:13
Updated: 10/09/2025 06:39
Changes: 10/03/2025 21:13 (67), 10/04/2025 07:27 (1), 10/06/2025 23:02 (7), 10/09/2025 06:39 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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