A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. 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 versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.qnap.com/en/security-advisory/qsa-25-50 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 1.3 · qnapNVD modified 2026-10-14 13:10
Affected (CPE criteria) 34
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:*:*:*:*:*:*cpe:2.3:o:qnap:quts_hero:h5.2.5.3138:build_20250519:*:*:*:*:*:*cpe:2.3:o:qnap:quts_hero:h5.2.6.3195:build_20250715:*:*:*:*:*:*cpe:2.3:o:qnap:quts_hero:h5.3.0.3115:build_20250430:*:*:*:*:*:*cpe:2.3:o:qnap:quts_hero:h5.3.0.3145:build_20250530:*:*:*:*:*:*cpe:2.3:o:qnap:quts_hero:h5.3.0.3192:build_20250716:*:*:*:*:*:*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:qts:5.2.5.3145:build_20250526:*:*:*:*:*:*cpe:2.3:o:qnap:qts:5.2.6.3195:build_20250715:*:*:*:*:*:*cpe:2.3:o:qnap:qts:5.2.6.3229:build_20250818:*:*:*:*:*:*
References 1
- https://www.qnap.com/en/security-advisory/qsa-25-50 Vendor Advisory