{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73175", "assignerOrgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "state": "PUBLISHED", "assignerShortName": "Nozomi", "dateReserved": "2026-08-11T09:36:40.350Z", "datePublished": "2026-09-16T13:02:01.469Z", "dateUpdated": "2026-09-17T18:57:57.089Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "shortName": "Nozomi", "dateUpdated": "2026-09-16T13:02:01.469Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-469", "descriptions": [{"lang": "en", "value": "CAPEC-469 HTTP DoS"}]}], "affected": [{"vendor": "Advantech", "product": "EKI-1242IEIMS", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "1.06.01", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Advantech", "product": "EKI-1242EIMS", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "1.06.01", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of service to all legitimate OPC UA clients by opening multiple anonymous sessions.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of service to all legitimate OPC UA clients by opening multiple anonymous sessions.</p>"}]}], "references": [{"url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73175", "tags": ["third-party-advisory"]}, {"url": "https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Simone Bossi at Nozomi Networks", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-17T18:57:39.326685Z", "id": "CVE-2026-73175", "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": "2026-09-17T18:57:57.089Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-73175", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-17T18:57:39.326685Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T18:57:51.715Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Simone Bossi at Nozomi Networks"}], "impacts": [{"capecId": "CAPEC-469", "descriptions": [{"lang": "en", "value": "CAPEC-469 HTTP DoS"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Advantech", "product": "EKI-1242IEIMS", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.06.01"}], "defaultStatus": "unaffected"}, {"vendor": "Advantech", "product": "EKI-1242EIMS", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.06.01"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73175", "tags": ["third-party-advisory"]}, {"url": "https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of service to all legitimate OPC UA clients by opening multiple anonymous sessions.", "supportingMedia": [{"type": "text/html", "value": "<p>Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of service to all legitimate OPC UA clients by opening multiple anonymous sessions.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "shortName": "Nozomi", "dateUpdated": "2026-09-16T13:02:01.469Z"}}}, "cveMetadata": {"cveId": "CVE-2026-73175", "state": "PUBLISHED", "dateUpdated": "2026-09-17T18:57:57.089Z", "dateReserved": "2026-08-11T09:36:40.350Z", "assignerOrgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "datePublished": "2026-09-16T13:02:01.469Z", "assignerShortName": "Nozomi"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "EKI-1242IEIMS", "vendor": "Advantech", "versions": [{"lessThanOrEqual": "1.06.01", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "EKI-1242EIMS", "vendor": "Advantech", "versions": [{"lessThanOrEqual": "1.06.01", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "prodsec@nozominetworks.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of service to all legitimate OPC UA clients by opening multiple anonymous sessions."}, {"lang": "es", "value": "Nozomi Networks Labs identific\u00f3 una vulnerabilidad CWE-400: Consumo de Recursos No Controlado en el componente de gateway OPC UA de Advantech EKI-1242EIMS en la versi\u00f3n de firmware V1.06.01 que permite a un atacante adyacente no autenticado agotar el pool de sesiones del servidor y causar una denegaci\u00f3n de servicio completa a todos los clientes OPC UA leg\u00edtimos al abrir m\u00faltiples sesiones an\u00f3nimas."}], "id": "CVE-2026-73175", "lastModified": "2026-09-23T11:10:00.187", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "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:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "prodsec@nozominetworks.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73175", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-17T18:57:39.326685Z", "version": "2.0.3"}}]}, "published": "2026-09-16T13:18:06.017", "references": [{"source": "prodsec@nozominetworks.com", "url": "https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf"}, {"source": "prodsec@nozominetworks.com", "url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73175"}], "sourceIdentifier": "prodsec@nozominetworks.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "prodsec@nozominetworks.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.06.01]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "eki-1242eims", "vendor": "advantech"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.06.01]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "eki-1242ieims", "vendor": "advantech"}], "created": "2026-09-17T20:49:03.014467+00:00", "title": "OPC UA Gateway Denial of Service via Uncontrolled Resource Consumption", "updated": "2026-09-18T03:00:09.833767+00:00", "vendors": ["advantech", "advantech$PRODUCT$eki-1242eims", "advantech$PRODUCT$eki-1242ieims"]}