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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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cb9d91e32bac00466d77e62199c9992e43505d29a372924e3aa82ad8364bede3
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"QuTS hero","vendor":"QNAP Systems Inc.","versions":[{"lessThan":"h5.2.9.3499 build 20260514","status":"affected","version":"h5.2.0","versionType":"custom"},{"lessThan":"h5.3.4.3500 build 20260520","status":"affected","version":"h5.3.0","versionType":"custom"},{"lessThan":"h6.0.0.3459 build 20260409","status":"affected","version":"?","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5973ed58c7c6a5aab3d33bec8e01b39071983d46a61c6b66c05355150044535d · sha256:11616d89784c13d8… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"QTS","vendor":"QNAP Systems Inc.","versions":[{"lessThan":"5.2.9.3492 build 20260507","status":"affected","version":"5.2.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5973ed58c7c6a5aab3d33bec8e01b39071983d46a61c6b66c05355150044535d · sha256:11616d89784c13d8… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"QuTS hero","vendor":"QNAP Systems Inc.","versions":[{"lessThan":"h5.2.9.3499 build 20260514","status":"affected","version":"h5.2.0","versionType":"custom"},{"lessThan":"h5.3.4.3500 build 20260520","status":"affected","version":"h5.3.0","versionType":"custom"},{"lessThan":"h6.0.0.3459 build 20260409","status":"affected","version":"?","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5973ed58c7c6a5aab3d33bec8e01b39071983d46a61c6b66c05355150044535d · sha256:11616d89784c13d8… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"QTS","vendor":"QNAP Systems Inc.","versions":[{"lessThan":"5.2.9.3492 build 20260507","status":"affected","version":"5.2.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5973ed58c7c6a5aab3d33bec8e01b39071983d46a61c6b66c05355150044535d · sha256:11616d89784c13d8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":1.2,"baseSeverity":"LOW","exploitMaturity":"UNREPORTED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5973ed58c7c6a5aab3d33bec8e01b39071983d46a61c6b66c05355150044535d · sha256:11616d89784c13d8… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-476","description":"CWE-476","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5973ed58c7c6a5aab3d33bec8e01b39071983d46a61c6b66c05355150044535d · sha256:11616d89784c13d8… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.qnap.com/en/security-advisory/qsa-26-10"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5973ed58c7c6a5aab3d33bec8e01b39071983d46a61c6b66c05355150044535d · sha256:11616d89784c13d8… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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