A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If  can then exploit the vulnerability to launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following versions:
QTS 5.2.5.3145 build 20250526 and later
QuTS hero h5.2.5.3138 build 20250519 and later
                
            Metrics
Affected Vendors & Products
References
        | Link | Providers | 
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-25-21 | 
                     | 
            
History
                    Mon, 22 Sep 2025 16:45:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | 
        
        Qnap
         Qnap qts Qnap quts Hero  | 
|
| CPEs | cpe:2.3:o:qnap:qts:5.2.0.2737:build_20240417:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2744:build_20240424:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2782:build_20240601:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2802:build_20240620:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2823:build_20240711:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2851:build_20240808:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2860:build_20240817:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.1.2930:build_20241025:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.2.2950:build_20241114:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.3.3006:build_20250108:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.4.3070:build_20250312:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.4.3079:build_20250321:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.4.3092:build_20250403:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2737:build_20240417:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2782:build_20240601:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2789:build_20240607:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2802:build_20240620:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2823:build_20240711:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2851:build_20240808:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2860:build_20240817:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.1.2929:build_20241025:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.1.2940:build_20241105:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.2.2952:build_20241116:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.3.3006:build_20250108:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.4.3070:build_20250312:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.4.3079:build_20250321:*:*:*:*:*:*  | 
|
| Vendors & Products | 
        
        Qnap
         Qnap qts Qnap quts Hero  | 
|
| 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 several QNAP operating system versions. If can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and later | |
| Title | QTS, QuTS hero | |
| Weaknesses | CWE-476 | |
| References | 
         | |
| Metrics | 
        
        cvssV4_0
         
  | 
Status: PUBLISHED
Assigner: qnap
Published: 2025-08-29T17:16:22.812Z
Updated: 2025-08-29T18:22:51.109Z
Reserved: 2025-03-20T02:53:29.058Z
Link: CVE-2025-30272
Updated: 2025-08-29T18:17:32.145Z
Status : Analyzed
Published: 2025-08-29T18:15:39.567
Modified: 2025-09-22T14:46:09.647
Link: CVE-2025-30272
No data.