High · 7.1 CVE-2026-73175 EUVD-2026-80724GHSA-mvv7-vr4g-xvmv

Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI…

Published Sep 16, 2026 · Updated Sep 17, 2026 · Assigned by Nozomi

Vendor: Advantech Product: EKI-1242EIMS Product: EKI-1242IEIMS

Description

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.

Affected products

Vendor	Product	Affected	Fixed
Advantech	EKI-1242IEIMS	≤ 1.06.01	—
Advantech	EKI-1242EIMS	≤ 1.06.01	—

References

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