{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66276", "assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f", "state": "PUBLISHED", "assignerShortName": "qnap", "dateReserved": "2025-11-26T09:25:37.832Z", "datePublished": "2026-06-10T01:37:43.269Z", "dateUpdated": "2026-06-10T16:07:48.978Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "QTS", "vendor": "QNAP Systems Inc.", "versions": [{"lessThan": "5.2.7.3256 build 20250913", "status": "affected", "version": "5.2.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "QuTS hero", "vendor": "QNAP Systems Inc.", "versions": [{"status": "unaffected", "version": "?"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qnap_systems_inc.:qts:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.0.x", "versionStartIncluding": "4.3.x", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "V\u00edctor A. Morales"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<br>QuTS hero is not affected.<br><br>We have already fixed the vulnerability in the following version:<br>QTS 5.2.7.3256 build 20250913 and later<br>"}], "value": "QuTS hero is not affected.\n\nWe have already fixed the vulnerability in the following version:\nQTS 5.2.7.3256 build 20250913 and later"}], "metrics": [{"cvssV4_0": {"attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 9.2, "baseSeverity": "CRITICAL", "exploitMaturity": "UNREPORTED", "privilegesRequired": "NONE", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "providerMetadata": {"orgId": "2fd009eb-170a-4625-932b-17a53af1051f", "shortName": "qnap", "dateUpdated": "2026-06-10T01:37:43.269Z"}, "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-25-56"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "We have already fixed the vulnerability in the following version:<br>QTS 5.2.7.3256 build 20250913 and later<br>"}], "value": "We have already fixed the vulnerability in the following version:\nQTS 5.2.7.3256 build 20250913 and later"}], "source": {"advisory": "QSA-25-56", "discovery": "EXTERNAL"}, "title": "QTS", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-10T16:04:38.523468Z", "id": "CVE-2025-66276", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-10T16:07:48.978Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-66276", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-10T16:04:38.523468Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-10T16:07:44.618Z"}}], "cna": {"title": "QTS", "source": {"advisory": "QSA-25-56", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "V\u00edctor A. Morales"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 9.2, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "UNREPORTED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "QNAP Systems Inc.", "product": "QTS", "versions": [{"status": "affected", "version": "5.2.0", "lessThan": "5.2.7.3256 build 20250913", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "QNAP Systems Inc.", "product": "QuTS hero", "versions": [{"status": "unaffected", "version": "?"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "We have already fixed the vulnerability in the following version:\nQTS 5.2.7.3256 build 20250913 and later", "supportingMedia": [{"type": "text/html", "value": "We have already fixed the vulnerability in the following version:<br>QTS 5.2.7.3256 build 20250913 and later<br>", "base64": false}]}], "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-25-56"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "QuTS hero is not affected.\n\nWe have already fixed the vulnerability in the following version:\nQTS 5.2.7.3256 build 20250913 and later", "supportingMedia": [{"type": "text/html", "value": "<br>QuTS hero is not affected.<br><br>We have already fixed the vulnerability in the following version:<br>QTS 5.2.7.3256 build 20250913 and later<br>", "base64": false}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qnap_systems_inc.:qts:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "5.0.x", "versionStartIncluding": "4.3.x"}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "2fd009eb-170a-4625-932b-17a53af1051f", "shortName": "qnap", "dateUpdated": "2026-06-10T01:37:43.269Z"}}}, "cveMetadata": {"cveId": "CVE-2025-66276", "state": "PUBLISHED", "dateUpdated": "2026-06-10T16:07:48.978Z", "dateReserved": "2025-11-26T09:25:37.832Z", "assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f", "datePublished": "2026-06-10T01:37:43.269Z", "assignerShortName": "qnap"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*", "matchCriteriaId": "613C861C-4B6B-4FB1-B789-6FFEBC216A6E", "versionEndExcluding": "5.2.7.3256", "versionStartIncluding": "4.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "QuTS hero is not affected.\n\nWe have already fixed the vulnerability in the following version:\nQTS 5.2.7.3256 build 20250913 and later"}], "id": "CVE-2025-66276", "lastModified": "2026-06-12T20:25:51.970", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@qnapsecurity.com.tw", "type": "Secondary"}]}, "published": "2026-06-10T03:16:24.730", "references": [{"source": "security@qnapsecurity.com.tw", "tags": ["Vendor Advisory"], "url": "https://www.qnap.com/en/security-advisory/qsa-25-56"}], "sourceIdentifier": "security@qnapsecurity.com.tw", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.2.0,5.2.7.3256 build 20250913)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "QTS", "source": "cna", "vendor": "QNAP Systems Inc."}, "product": "qts", "vendor": "qnap_systems"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "QuTS hero", "source": "cna", "vendor": "QNAP Systems Inc."}, "product": "quts_hero", "vendor": "qnap_systems"}], "created": "2026-06-10T04:30:05.948284+00:00", "title": "Information Exposure Vulnerability in QNAP QTS Firmware", "updated": "2026-06-13T01:30:17.789096+00:00", "vendors": ["qnap_systems", "qnap_systems$PRODUCT$qts", "qnap_systems$PRODUCT$quts_hero"]}