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EPSS 0.3%top 81%

CVE-2025-29895: CWE-476 in QNAP Systems Inc. Qsync Central

0
Low
VulnerabilityCVE-2025-29895cvecve-2025-29895cwe-476
Published: 10/15/2026 (10/15/2026, 06:57:13 UTC)
Source: CVE Database V5
Vendor/Project: QNAP Systems Inc.
Product: Qsync Central

Description

A NULL pointer dereference vulnerability has been reported to affect Qsync Central. 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: Qsync Central 5.0.0.4 and later

CVSS v4.0

Score 2.3low

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected software

QNAP Systems Inc.

Qsync Central

Affected versions
>=5.0.x <5.0.0.4
GitHub Actionsmore threats →ai
qnap/QsyncCentral
pkg:github/qnap/QsyncCentral
Affected versions
>=5.0.0 <5.0.0.4

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/15/2026, 07:19:00 UTC

Technical Analysis

This vulnerability (CWE-476) in Qsync Central allows a remote attacker who has obtained a user account to trigger a NULL pointer dereference, resulting in a denial-of-service attack. The vulnerability affects versions prior to 5.0.0.4. The CVSS 4.0 base score is 0.6, indicating low severity, with attack vector network, low attack complexity, and requiring privileges of a user account.

Potential Impact

Exploitation of this vulnerability can cause denial-of-service by crashing or disrupting the Qsync Central service. No information indicates further impact such as data breach or privilege escalation.

Mitigation Recommendations

The vulnerability has been officially fixed in Qsync Central version 5.0.0.4 and later. Users should upgrade to version 5.0.0.4 or newer to remediate this issue.

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Technical Details

Data Version
5.2
Assigner Short Name
qnap
Date Reserved
2025-03-12T08:51:05.986Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ad07aec2cdf04f65610e2c1

Added to database: 10/15/2026, 07:04:12 UTC

Last enriched: 10/15/2026, 07:19:00 UTC

Last updated: 10/15/2026, 19:00:27 UTC

Views: 20

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