CVE-2026-73175

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.

CVSS

No CVSS.

References

Link	Resource
https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73175

Configurations

No configuration.

History

23 Sep 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Nozomi Networks Labs identificó una vulnerabilidad CWE-400: Consumo de Recursos No Controlado en el componente de gateway OPC UA de Advantech EKI-1242EIMS en la versión de firmware V1.06.01 que permite a un atacante adyacente no autenticado agotar el pool de sesiones del servidor y causar una denegación de servicio completa a todos los clientes OPC UA legítimos al abrir múltiples sesiones anónimas.

16 Sep 2026, 13:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-16 13:18

Updated : 2026-09-23 11:10

NVD link : CVE-2026-73175

Mitre link : CVE-2026-73175

CVE.ORG link : CVE-2026-73175

JSON object : View

Products Affected

No product.

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2026-73175", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73175", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-17T18:57:39.326685Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "prodsec@nozominetworks.com", "cvssData": {"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/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "prodsec@nozominetworks.com", "affectedData": [{"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"}]}], "published": "2026-09-16T13:18:06.017", "references": [{"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", "source": "prodsec@nozominetworks.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "prodsec@nozominetworks.com", "description": [{"lang": "en", "value": "CWE-400"}]}], "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."}], "lastModified": "2026-09-23T11:10:00.187", "sourceIdentifier": "prodsec@nozominetworks.com"}