CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-24716

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 5.2.9.3492 build 20260507 and later QuTS hero h5.2.9.3499 build 20260514 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later

Exploit prediction scoring system (EPSS) score

EPSS Score 0.003

EPSS Ranking 24.7%

CVSS Severity

CVSS v3 Score 7.2

References

https://www.qnap.com/en/security-advisory/qsa-26-18

Products affected by CVE-2026-24716

Qnap » Qts » Version: 5.2.0.2737

cpe:2.3:o:qnap:qts:5.2.0.2737
Qnap » Qts » Version: 5.2.0.2744

cpe:2.3:o:qnap:qts:5.2.0.2744
Qnap » Qts » Version: 5.2.0.2782

cpe:2.3:o:qnap:qts:5.2.0.2782
Qnap » Qts » Version: 5.2.0.2802

cpe:2.3:o:qnap:qts:5.2.0.2802
Qnap » Qts » Version: 5.2.0.2823

cpe:2.3:o:qnap:qts:5.2.0.2823
Qnap » Qts » Version: 5.2.0.2851

cpe:2.3:o:qnap:qts:5.2.0.2851
Qnap » Qts » Version: 5.2.0.2860

cpe:2.3:o:qnap:qts:5.2.0.2860
Qnap » Qts » Version: 5.2.1.2930

cpe:2.3:o:qnap:qts:5.2.1.2930
Qnap » Qts » Version: 5.2.2.2950

cpe:2.3:o:qnap:qts:5.2.2.2950
Qnap » Qts » Version: 5.2.3.3006

cpe:2.3:o:qnap:qts:5.2.3.3006
Qnap » Qts » Version: 5.2.4.3070

cpe:2.3:o:qnap:qts:5.2.4.3070
Qnap » Qts » Version: 5.2.4.3079

cpe:2.3:o:qnap:qts:5.2.4.3079
Qnap » Qts » Version: 5.2.4.3092

cpe:2.3:o:qnap:qts:5.2.4.3092
Qnap » Qts » Version: 5.2.5.3145

cpe:2.3:o:qnap:qts:5.2.5.3145
Qnap » Qts » Version: 5.2.6.3195

cpe:2.3:o:qnap:qts:5.2.6.3195
Qnap » Qts » Version: 5.2.6.3229

cpe:2.3:o:qnap:qts:5.2.6.3229
Qnap » Qts » Version: 5.2.7.3256

cpe:2.3:o:qnap:qts:5.2.7.3256
Qnap » Qts » Version: 5.2.7.3297

cpe:2.3:o:qnap:qts:5.2.7.3297
Qnap » Qts » Version: 5.2.8.3332

cpe:2.3:o:qnap:qts:5.2.8.3332
Qnap » Qts » Version: 5.2.8.3350

cpe:2.3:o:qnap:qts:5.2.8.3350
Qnap » Qts » Version: 5.2.8.3359

cpe:2.3:o:qnap:qts:5.2.8.3359
Qnap » Qts » Version: 5.2.9.3410

cpe:2.3:o:qnap:qts:5.2.9.3410
Qnap » Qts » Version: 5.2.9.3451

cpe:2.3:o:qnap:qts:5.2.9.3451
Qnap » Quts Hero » Version: h5.0.0

cpe:2.3:o:qnap:quts_hero:h5.0.0
Qnap » Quts Hero » Version: h5.0.0.1772

cpe:2.3:o:qnap:quts_hero:h5.0.0.1772
Qnap » Quts Hero » Version: h5.0.0.1844

cpe:2.3:o:qnap:quts_hero:h5.0.0.1844
Qnap » Quts Hero » Version: h5.0.0.1856

cpe:2.3:o:qnap:quts_hero:h5.0.0.1856
Qnap » Quts Hero » Version: h5.0.0.1892

cpe:2.3:o:qnap:quts_hero:h5.0.0.1892
Qnap » Quts Hero » Version: h5.0.0.1900

cpe:2.3:o:qnap:quts_hero:h5.0.0.1900
Qnap » Quts Hero » Version: h5.0.0.1949

cpe:2.3:o:qnap:quts_hero:h5.0.0.1949
Qnap » Quts Hero » Version: h5.0.0.1986

cpe:2.3:o:qnap:quts_hero:h5.0.0.1986
Qnap » Quts Hero » Version: h5.0.0.2022

cpe:2.3:o:qnap:quts_hero:h5.0.0.2022
Qnap » Quts Hero » Version: h5.0.0.2069

cpe:2.3:o:qnap:quts_hero:h5.0.0.2069
Qnap » Quts Hero » Version: h5.0.0.2120

cpe:2.3:o:qnap:quts_hero:h5.0.0.2120
Qnap » Quts Hero » Version: h5.0.1

cpe:2.3:o:qnap:quts_hero:h5.0.1
Qnap » Quts Hero » Version: h5.0.1.2045

cpe:2.3:o:qnap:quts_hero:h5.0.1.2045
Qnap » Quts Hero » Version: h5.0.1.2192

cpe:2.3:o:qnap:quts_hero:h5.0.1.2192
Qnap » Quts Hero » Version: h5.0.1.2248

cpe:2.3:o:qnap:quts_hero:h5.0.1.2248
Qnap » Quts Hero » Version: h5.0.1.2269

cpe:2.3:o:qnap:quts_hero:h5.0.1.2269
Qnap » Quts Hero » Version: h5.0.1.2277

cpe:2.3:o:qnap:quts_hero:h5.0.1.2277
Qnap » Quts Hero » Version: h5.0.1.2348

cpe:2.3:o:qnap:quts_hero:h5.0.1.2348
Qnap » Quts Hero » Version: h5.0.1.2376

cpe:2.3:o:qnap:quts_hero:h5.0.1.2376
Qnap » Quts Hero » Version: h5.0.1.2515

cpe:2.3:o:qnap:quts_hero:h5.0.1.2515
Qnap » Quts Hero » Version: h5.1.0

cpe:2.3:o:qnap:quts_hero:h5.1.0
Qnap » Quts Hero » Version: h5.1.0.2409

cpe:2.3:o:qnap:quts_hero:h5.1.0.2409
Qnap » Quts Hero » Version: h5.1.0.2424

cpe:2.3:o:qnap:quts_hero:h5.1.0.2424
Qnap » Quts Hero » Version: h5.1.0.2453

cpe:2.3:o:qnap:quts_hero:h5.1.0.2453
Qnap » Quts Hero » Version: h5.1.0.2466

cpe:2.3:o:qnap:quts_hero:h5.1.0.2466
Qnap » Quts Hero » Version: h5.1.1.2488

cpe:2.3:o:qnap:quts_hero:h5.1.1.2488
Qnap » Quts Hero » Version: h5.1.2.2534

cpe:2.3:o:qnap:quts_hero:h5.1.2.2534
Qnap » Quts Hero » Version: h5.1.3.2578

cpe:2.3:o:qnap:quts_hero:h5.1.3.2578
Qnap » Quts Hero » Version: h5.1.4.2596

cpe:2.3:o:qnap:quts_hero:h5.1.4.2596
Qnap » Quts Hero » Version: h5.1.5.2647

cpe:2.3:o:qnap:quts_hero:h5.1.5.2647
Qnap » Quts Hero » Version: h5.1.5.2680

cpe:2.3:o:qnap:quts_hero:h5.1.5.2680
Qnap » Quts Hero » Version: h5.1.6.2734

cpe:2.3:o:qnap:quts_hero:h5.1.6.2734
Qnap » Quts Hero » Version: h5.1.7.2770

cpe:2.3:o:qnap:quts_hero:h5.1.7.2770
Qnap » Quts Hero » Version: h5.1.7.2788

cpe:2.3:o:qnap:quts_hero:h5.1.7.2788
Qnap » Quts Hero » Version: h5.1.7.2794

cpe:2.3:o:qnap:quts_hero:h5.1.7.2794
Qnap » Quts Hero » Version: h5.1.8.2823

cpe:2.3:o:qnap:quts_hero:h5.1.8.2823
Qnap » Quts Hero » Version: h5.2.0.2737

cpe:2.3:o:qnap:quts_hero:h5.2.0.2737
Qnap » Quts Hero » Version: h5.2.0.2782

cpe:2.3:o:qnap:quts_hero:h5.2.0.2782
Qnap » Quts Hero » Version: h5.2.0.2789

cpe:2.3:o:qnap:quts_hero:h5.2.0.2789
Qnap » Quts Hero » Version: h5.2.0.2802

cpe:2.3:o:qnap:quts_hero:h5.2.0.2802
Qnap » Quts Hero » Version: h5.2.0.2823

cpe:2.3:o:qnap:quts_hero:h5.2.0.2823
Qnap » Quts Hero » Version: h5.2.0.2851

cpe:2.3:o:qnap:quts_hero:h5.2.0.2851
Qnap » Quts Hero » Version: h5.2.0.2860

cpe:2.3:o:qnap:quts_hero:h5.2.0.2860
Qnap » Quts Hero » Version: h5.2.1.2929

cpe:2.3:o:qnap:quts_hero:h5.2.1.2929
Qnap » Quts Hero » Version: h5.2.1.2940

cpe:2.3:o:qnap:quts_hero:h5.2.1.2940
Qnap » Quts Hero » Version: h5.2.2.2952

cpe:2.3:o:qnap:quts_hero:h5.2.2.2952
Qnap » Quts Hero » Version: h5.2.3.3006

cpe:2.3:o:qnap:quts_hero:h5.2.3.3006
Qnap » Quts Hero » Version: h5.2.4.3070

cpe:2.3:o:qnap:quts_hero:h5.2.4.3070
Qnap » Quts Hero » Version: h5.2.4.3079

cpe:2.3:o:qnap:quts_hero:h5.2.4.3079
Qnap » Quts Hero » Version: h5.2.5.3138

cpe:2.3:o:qnap:quts_hero:h5.2.5.3138
Qnap » Quts Hero » Version: h5.2.6.3195

cpe:2.3:o:qnap:quts_hero:h5.2.6.3195
Qnap » Quts Hero » Version: h5.2.7.3256

cpe:2.3:o:qnap:quts_hero:h5.2.7.3256
Qnap » Quts Hero » Version: h5.2.7.3297

cpe:2.3:o:qnap:quts_hero:h5.2.7.3297
Qnap » Quts Hero » Version: h5.2.8.3321

cpe:2.3:o:qnap:quts_hero:h5.2.8.3321
Qnap » Quts Hero » Version: h5.2.8.3350

cpe:2.3:o:qnap:quts_hero:h5.2.8.3350
Qnap » Quts Hero » Version: h5.2.8.3359

cpe:2.3:o:qnap:quts_hero:h5.2.8.3359
Qnap » Quts Hero » Version: h5.2.9.3410

cpe:2.3:o:qnap:quts_hero:h5.2.9.3410
Qnap » Quts Hero » Version: h5.2.9.3492

cpe:2.3:o:qnap:quts_hero:h5.2.9.3492
Qnap » Quts Hero » Version: h5.3.0.3115

cpe:2.3:o:qnap:quts_hero:h5.3.0.3115
Qnap » Quts Hero » Version: h5.3.0.3145

cpe:2.3:o:qnap:quts_hero:h5.3.0.3145
Qnap » Quts Hero » Version: h5.3.0.3192

cpe:2.3:o:qnap:quts_hero:h5.3.0.3192
Qnap » Quts Hero » Version: h5.3.1.3250

cpe:2.3:o:qnap:quts_hero:h5.3.1.3250
Qnap » Quts Hero » Version: h5.3.1.3292

cpe:2.3:o:qnap:quts_hero:h5.3.1.3292
Qnap » Quts Hero » Version: h5.3.2.3354

cpe:2.3:o:qnap:quts_hero:h5.3.2.3354
Qnap » Quts Hero » Version: h5.3.3.3424

cpe:2.3:o:qnap:quts_hero:h5.3.3.3424
Qnap » Quts Hero » Version: h6.0.0.3324

cpe:2.3:o:qnap:quts_hero:h6.0.0.3324
Qnap » Quts Hero » Version: h6.0.0.3382

cpe:2.3:o:qnap:quts_hero:h6.0.0.3382
Qnap » Quts Hero » Version: h6.0.0.3397

cpe:2.3:o:qnap:quts_hero:h6.0.0.3397

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-24716

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