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 5.0.0.0 ( 2025/06/13 ) and later
                
            Metrics
Affected Vendors & Products
References
        | Link | Providers | 
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-25-28 | 
                     | 
            
History
                    Fri, 19 Sep 2025 17:15:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | 
        
        Qnap
         Qnap qsync Central  | 
|
| CPEs | cpe:2.3:a:qnap:qsync_central:5.0.0.0:*:*:*:*:*:*:* | |
| Vendors & Products | 
        
        Qnap
         Qnap qsync Central  | 
|
| Metrics | 
        
        cvssV3_1
         
  | 
Fri, 29 Aug 2025 19:15:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| Metrics | 
        
        ssvc
         
  | 
Fri, 29 Aug 2025 17:30:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| 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 5.0.0.0 ( 2025/06/13 ) and later | |
| Title | Qsync Central | |
| Weaknesses | CWE-476 | |
| References | 
         | |
| Metrics | 
        
        cvssV4_0
         
  | 
Status: PUBLISHED
Assigner: qnap
Published: 2025-08-29T17:15:49.528Z
Updated: 2025-08-29T18:23:35.381Z
Reserved: 2025-03-20T02:53:25.307Z
Link: CVE-2025-30263
Updated: 2025-08-29T18:18:16.819Z
Status : Analyzed
Published: 2025-08-29T18:15:38.053
Modified: 2025-09-19T17:02:12.903
Link: CVE-2025-30263
No data.