QNAP Systems File Station 5 5.5.6.4741 null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in QNAP Systems File Station 5 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2025-29901. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in QNAP Systems File Station 5. This issue affects an unknown part. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: File Station 5 5.5.6.4933 and later

The weakness was released by coral as qsa-25-31. The advisory is shared at qnap.com. The identification of this vulnerability is CVE-2025-29901 since 03/12/2025. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.5.6.4933 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-25777) and CERT Bund (WID-SEC-2025-1907). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • QNAP NAS

Productinfo

Vendor

Name

Version

License

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: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: 🔒

Upgrade: File Station 5 5.5.6.4933

Timelineinfo

03/12/2025 CVE reserved
08/26/2025 +166 days Advisory disclosed
08/26/2025 +0 days VulDB entry created
09/15/2025 +20 days VulDB entry last update

Sourcesinfo

Advisory: qsa-25-31
Researcher: coral
Status: Confirmed

CVE: CVE-2025-29901 (🔒)
GCVE (CVE): GCVE-0-2025-29901
GCVE (VulDB): GCVE-100-321401
EUVD: 🔒
CERT Bund: WID-SEC-2025-1907 - QNAP NAS (File Station 5): Mehrere Schwachstellen

Entryinfo

Created: 08/26/2025 14:29
Updated: 09/15/2025 22:57
Changes: 08/26/2025 14:29 (68), 08/26/2025 14:45 (7), 08/26/2025 15:04 (1), 09/15/2025 22:57 (11)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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