CVE-2026-73175

High

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.

SeverityHigh

CVSS7.1

Exploit probability—

ProductEKI-1242EIMS

PublishedSep 16, 2026

First seenSep 16, 2026

Weakness typeCWE-400Uncontrolled resource consumption

How to fix

Vendor advisories

advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf

Affected products

Product	Affected versions	Fixed in
Advantech EKI-1242EIMS	v ≤ 1.06.01	—
Advantech EKI-1242IEIMS	v ≤ 1.06.01	—

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