{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66274", "assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f", "state": "PUBLISHED", "assignerShortName": "qnap", "dateReserved": "2025-11-26T09:25:37.832Z", "datePublished": "2026-02-11T12:15:49.265Z", "dateUpdated": "2026-06-09T06:17:38.342Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "5.2.9.3410 build 20260214", "status": "affected", "version": "5.2.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "QuTS hero", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "h5.2.9.3410 build 20260214", "status": "affected", "version": "h5.2.0", "versionType": "custom"}, {"lessThan": "h5.3.2.3354 build 20251225", "status": "affected", "version": "h5.3.0", "versionType": "custom"}, {"lessThan": "h6.0.0.3397 build 20260206", "status": "affected", "version": "?", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "coral"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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.<br><br>We have already fixed the vulnerability in the following versions:<br>QTS 5.2.9.3410 build 20260214 and later<br>QuTS hero h5.2.9.3410 build 20260214 and later<br>QuTS hero h5.3.2.3354 build 20251225 and later<br>QuTS hero h6.0.0.3397 build 20260206 and later<br>"}], "value": "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.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.2.9.3410 build 20260214 and later\nQuTS hero h5.2.9.3410 build 20260214 and later\nQuTS hero h5.3.2.3354 build 20251225 and later\nQuTS hero h6.0.0.3397 build 20260206 and later"}], "impacts": [{"capecId": "CAPEC-129", "descriptions": [{"lang": "en", "value": "CAPEC-129"}]}], "metrics": [{"cvssV4_0": {"attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 5.1, "baseSeverity": "MEDIUM", "exploitMaturity": "UNREPORTED", "privilegesRequired": "HIGH", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "description": "CWE-476", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "2fd009eb-170a-4625-932b-17a53af1051f", "shortName": "qnap", "dateUpdated": "2026-06-09T06:17:38.342Z"}, "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-26-08"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "We have already fixed the vulnerability in the following versions:<br>QTS 5.2.9.3410 build 20260214 and later<br>QuTS hero h5.2.9.3410 build 20260214 and later<br>QuTS hero h5.3.2.3354 build 20251225 and later<br>QuTS hero h6.0.0.3397 build 20260206 and later<br>"}], "value": "We have already fixed the vulnerability in the following versions:\nQTS 5.2.9.3410 build 20260214 and later\nQuTS hero h5.2.9.3410 build 20260214 and later\nQuTS hero h5.3.2.3354 build 20251225 and later\nQuTS hero h6.0.0.3397 build 20260206 and later"}], "source": {"advisory": "QSA-26-08", "discovery": "EXTERNAL"}, "title": "QTS, QuTS hero", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-11T16:49:26.664498Z", "id": "CVE-2025-66274", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-11T16:49:33.097Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-66274", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-11T16:49:26.664498Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-11T16:49:30.495Z"}}], "cna": {"title": "QTS, QuTS hero", "source": {"advisory": "QSA-26-08", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "coral"}], "impacts": [{"capecId": "CAPEC-129", "descriptions": [{"lang": "en", "value": "CAPEC-129"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 5.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N", "exploitMaturity": "UNREPORTED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "QNAP Systems Inc.", "product": "QTS", "versions": [{"status": "affected", "version": "5.2.0", "lessThan": "5.2.9.3410 build 20260214", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "QNAP Systems Inc.", "product": "QuTS hero", "versions": [{"status": "affected", "version": "h5.2.0", "lessThan": "h5.2.9.3410 build 20260214", "versionType": "custom"}, {"status": "affected", "version": "h5.3.0", "lessThan": "h5.3.2.3354 build 20251225", "versionType": "custom"}, {"status": "affected", "version": "?", "lessThan": "h6.0.0.3397 build 20260206", "versionType": "custom"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "We have already fixed the vulnerability in the following versions:\nQTS 5.2.9.3410 build 20260214 and later\nQuTS hero h5.2.9.3410 build 20260214 and later\nQuTS hero h5.3.2.3354 build 20251225 and later\nQuTS hero h6.0.0.3397 build 20260206 and later", "supportingMedia": [{"type": "text/html", "value": "We have already fixed the vulnerability in the following versions:<br>QTS 5.2.9.3410 build 20260214 and later<br>QuTS hero h5.2.9.3410 build 20260214 and later<br>QuTS hero h5.3.2.3354 build 20251225 and later<br>QuTS hero h6.0.0.3397 build 20260206 and later<br>", "base64": false}]}], "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-26-08"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "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.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.2.9.3410 build 20260214 and later\nQuTS hero h5.2.9.3410 build 20260214 and later\nQuTS hero h5.3.2.3354 build 20251225 and later\nQuTS hero h6.0.0.3397 build 20260206 and later", "supportingMedia": [{"type": "text/html", "value": "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.<br><br>We have already fixed the vulnerability in the following versions:<br>QTS 5.2.9.3410 build 20260214 and later<br>QuTS hero h5.2.9.3410 build 20260214 and later<br>QuTS hero h5.3.2.3354 build 20251225 and later<br>QuTS hero h6.0.0.3397 build 20260206 and later<br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476"}]}], "providerMetadata": {"orgId": "2fd009eb-170a-4625-932b-17a53af1051f", "shortName": "qnap", "dateUpdated": "2026-06-09T06:17:38.342Z"}}}, "cveMetadata": {"cveId": "CVE-2025-66274", "state": "PUBLISHED", "dateUpdated": "2026-06-09T06:17:38.342Z", "dateReserved": "2025-11-26T09:25:37.832Z", "assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f", "datePublished": "2026-02-11T12:15:49.265Z", "assignerShortName": "qnap"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "5.2.9.3410 build 20260214", "status": "affected", "version": "5.2.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "QuTS hero", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "h5.2.9.3410 build 20260214", "status": "affected", "version": "h5.2.0", "versionType": "custom"}, {"lessThan": "h5.3.2.3354 build 20251225", "status": "affected", "version": "h5.3.0", "versionType": "custom"}, {"lessThan": "h6.0.0.3397 build 20260206", "status": "affected", "version": "?", "versionType": "custom"}]}], "source": "[email protected]"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.0.3115:build_20250430:*:*:*:*:*:*", "matchCriteriaId": "4175C7F7-E946-41C6-8863-E23233B91A2B", "vulnerable": true}, {"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.0.3145:build_20250530:*:*:*:*:*:*", "matchCriteriaId": "DE16C73E-9291-44FD-A9CB-B7C127E67A6F", "vulnerable": true}, {"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.0.3192:build_20250716:*:*:*:*:*:*", "matchCriteriaId": "ED4023E4-6C28-413A-B7B1-6CEEBC48A1C0", "vulnerable": true}, {"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.1.3250:build_20250912:*:*:*:*:*:*", "matchCriteriaId": "0A94FE59-675E-4FF1-B971-F5A0A7B98EA7", "vulnerable": true}, {"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.1.3292:build_20251024:*:*:*:*:*:*", "matchCriteriaId": "92CE2B8B-4A23-41AA-94C6-D0DBFE06FDC1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.2.9.3410 build 20260214 and later\nQuTS hero h5.2.9.3410 build 20260214 and later\nQuTS hero h5.3.2.3354 build 20251225 and later\nQuTS hero h6.0.0.3397 build 20260206 and later"}, {"lang": "es", "value": "Una vulnerabilidad de desreferencia de puntero NULL ha sido reportada que afecta a varias versiones del sistema operativo QNAP. Si un atacante remoto obtiene una cuenta de administrador, puede entonces explotar la vulnerabilidad para lanzar un ataque de denegaci\u00f3n de servicio (DoS).\n\nYa hemos corregido la vulnerabilidad en la siguiente versi\u00f3n:\nQuTS hero h5.3.2.3354 build 20251225 y posteriores"}], "id": "CVE-2025-66274", "lastModified": "2026-06-17T09:56:35.760", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "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:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66274", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-11T16:49:26.664498Z", "version": "2.0.3"}}]}, "published": "2026-02-11T13:15:58.243", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.qnap.com/en/security-advisory/qsa-26-08"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Secondary"}]}

{}