A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later
2025-10-03T19:15:44.577
2025-10-08T19:45:31.630
Analyzed
CVSSv3.1: 4.9 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | qnap | qts | 5.2.0.2737 | Yes |
| Operating System | qnap | qts | 5.2.0.2744 | Yes |
| Operating System | qnap | qts | 5.2.0.2782 | Yes |
| Operating System | qnap | qts | 5.2.0.2802 | Yes |
| Operating System | qnap | qts | 5.2.0.2823 | Yes |
| Operating System | qnap | qts | 5.2.0.2851 | Yes |
| Operating System | qnap | qts | 5.2.0.2860 | Yes |
| Operating System | qnap | qts | 5.2.1.2930 | Yes |
| Operating System | qnap | qts | 5.2.2.2950 | Yes |
| Operating System | qnap | qts | 5.2.3.3006 | Yes |
| Operating System | qnap | qts | 5.2.4.3070 | Yes |
| Operating System | qnap | qts | 5.2.4.3079 | Yes |
| Operating System | qnap | qts | 5.2.4.3092 | Yes |
| Operating System | qnap | qts | 5.2.5.3145 | Yes |
| Operating System | qnap | quts_hero | h5.2.0.2737 | Yes |
| Operating System | qnap | quts_hero | h5.2.0.2782 | Yes |
| Operating System | qnap | quts_hero | h5.2.0.2789 | Yes |
| Operating System | qnap | quts_hero | h5.2.0.2802 | Yes |
| Operating System | qnap | quts_hero | h5.2.0.2823 | Yes |
| Operating System | qnap | quts_hero | h5.2.0.2851 | Yes |
| Operating System | qnap | quts_hero | h5.2.0.2860 | Yes |
| Operating System | qnap | quts_hero | h5.2.1.2929 | Yes |
| Operating System | qnap | quts_hero | h5.2.1.2940 | Yes |
| Operating System | qnap | quts_hero | h5.2.2.2952 | Yes |
| Operating System | qnap | quts_hero | h5.2.3.3006 | Yes |
| Operating System | qnap | quts_hero | h5.2.4.3070 | Yes |
| Operating System | qnap | quts_hero | h5.2.4.3079 | Yes |
| Operating System | qnap | quts_hero | h5.2.5.3138 | Yes |