CVE-2025-29896: CWE-476 in QNAP Systems Inc. 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
Affected software
QNAP Systems Inc.
Qsync Central
pkg:github/qnap/qsync-centralRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
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 a denial-of-service condition on the affected Qsync Central service, disrupting availability. No other impacts such as data disclosure or privilege escalation are indicated.
Mitigation Recommendations
Upgrade Qsync Central to version 5.0.0.4 or later, where this vulnerability has been fixed. No additional mitigation steps are required as the vendor has provided an official fix.
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: 6ad07e6f2cdf04f65612bc0d
Added to database: 10/15/2026, 07:19:11 UTC
Last enriched: 10/15/2026, 07:34:18 UTC
Last updated: 10/15/2026, 19:00:27 UTC
Views: 20
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