QNAP File Station 5.5.6.4741/5.5.6.4791 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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5.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in QNAP File Station. Affected by this vulnerability is an unknown functionality. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2025-29877. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in QNAP File Station. Affected by this issue is an unknown functionality. 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. CVE summarizes:

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 5.5.6.4847 and later

The weakness was shared by coral as qsa-25-16. The advisory is shared for download at qnap.com. This vulnerability is handled as CVE-2025-29877 since 03/12/2025. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.5.6.4847 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17333). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

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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: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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 5.5.6.4847

Timelineinfo

03/12/2025 🔍
06/06/2025 +85 days 🔍
06/06/2025 +0 days 🔍
06/19/2025 +13 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-25-16
Researcher: coral
Status: Confirmed

CVE: CVE-2025-29877 (🔍)
GCVE (CVE): GCVE-0-2025-29877
GCVE (VulDB): GCVE-100-311564
EUVD: 🔍

Entryinfo

Created: 06/06/2025 22:03
Updated: 06/19/2025 06:40
Changes: 06/06/2025 22:03 (68), 06/07/2025 05:57 (1), 06/09/2025 14:34 (1), 06/19/2025 06:40 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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