{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4309", "assignerOrgId": "f2760a35-e0d8-4637-ac4c-cc1a2de3e282", "state": "PUBLISHED", "assignerShortName": "NEC", "dateReserved": "2026-03-17T01:53:09.153Z", "datePublished": "2026-03-27T11:46:26.310Z", "dateUpdated": "2026-03-27T12:15:32.249Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f2760a35-e0d8-4637-ac4c-cc1a2de3e282", "shortName": "NEC", "dateUpdated": "2026-03-27T11:46:26.310Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "affected": [{"vendor": "NEC Platforms, Ltd.", "product": "Aterm W1200EX(-MS)", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HP2", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1900HP", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HS2", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1800HP3", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HP3", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1900HP2", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HS3", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1800HP4", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HP4", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HS4", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WX1500HP", "versions": [{"status": "affected", "version": "Before Ver. 1.4.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG2600HS", "versions": [{"status": "affected", "version": "Before Ver. 1.7.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WF1200CR", "versions": [{"status": "affected", "version": "Before Ver. 1.6.0"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200CR", "versions": [{"status": "affected", "version": "Before Ver. 1.5.0"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG2600HP4", "versions": [{"status": "affected", "version": "Before Ver. 1.4.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG2600HM4", "versions": [{"status": "affected", "version": "Before Ver. 1.4.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG2600HS2", "versions": [{"status": "affected", "version": "Before Ver. 1.3.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WX3000HP", "versions": [{"status": "affected", "version": "Before Ver. 2.5.0"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WX3600HP", "versions": [{"status": "affected", "version": "Before Ver. 1.5.3"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network."}]}], "references": [{"url": "https://jpn.nec.com/security-info/secinfo/nv26-001_en.html"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Taizoh Tsukamoto of Mitsui Bussan Secure Directions, Inc.", "user": "00000000-0000-4000-9000-000000000000", "type": "reporter"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-27T12:00:30.434329Z", "id": "CVE-2026-4309", "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": "2026-03-27T12:15:32.249Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-4309", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-27T12:00:30.434329Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-27T12:15:26.979Z"}}], "cna": {"source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "reporter", "user": "00000000-0000-4000-9000-000000000000", "value": "Taizoh Tsukamoto of Mitsui Bussan Secure Directions, Inc."}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "NEC Platforms, Ltd.", "product": "Aterm W1200EX(-MS)", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HP2", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1900HP", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HS2", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1800HP3", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HP3", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1900HP2", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HS3", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1800HP4", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HP4", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200HS4", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WX1500HP", "versions": [{"status": "affected", "version": "Before Ver. 1.4.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG2600HS", "versions": [{"status": "affected", "version": "Before Ver. 1.7.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WF1200CR", "versions": [{"status": "affected", "version": "Before Ver. 1.6.0"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG1200CR", "versions": [{"status": "affected", "version": "Before Ver. 1.5.0"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG2600HP4", "versions": [{"status": "affected", "version": "Before Ver. 1.4.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG2600HM4", "versions": [{"status": "affected", "version": "Before Ver. 1.4.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WG2600HS2", "versions": [{"status": "affected", "version": "Before Ver. 1.3.2"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WX3000HP", "versions": [{"status": "affected", "version": "Before Ver. 2.5.0"}], "defaultStatus": "unknown"}, {"vendor": "NEC Platforms, Ltd.", "product": "Aterm WX3600HP", "versions": [{"status": "affected", "version": "Before Ver. 1.5.3"}], "defaultStatus": "unknown"}], "references": [{"url": "https://jpn.nec.com/security-info/secinfo/nv26-001_en.html"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.", "supportingMedia": [{"type": "text/html", "value": "Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862: Missing Authorization"}]}], "providerMetadata": {"orgId": "f2760a35-e0d8-4637-ac4c-cc1a2de3e282", "shortName": "NEC", "dateUpdated": "2026-03-27T11:46:26.310Z"}}}, "cveMetadata": {"cveId": "CVE-2026-4309", "state": "PUBLISHED", "dateUpdated": "2026-03-27T12:15:32.249Z", "dateReserved": "2026-03-17T01:53:09.153Z", "assignerOrgId": "f2760a35-e0d8-4637-ac4c-cc1a2de3e282", "datePublished": "2026-03-27T11:46:26.310Z", "assignerShortName": "NEC"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network."}], "id": "CVE-2026-4309", "lastModified": "2026-03-30T13:26:29.793", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/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": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "psirt-info@cyber.jp.nec.com", "type": "Secondary"}]}, "published": "2026-03-27T12:16:20.370", "references": [{"source": "psirt-info@cyber.jp.nec.com", "url": "https://jpn.nec.com/security-info/secinfo/nv26-001_en.html"}], "sourceIdentifier": "psirt-info@cyber.jp.nec.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "psirt-info@cyber.jp.nec.com", "type": "Secondary"}]}

{}