CVE-2026-73175: Advantech Eki-1242eims

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

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

• Advantech Eki-1242eims: up to and including 1.06.01
• Advantech Eki-1242ieims: up to and including 1.06.01

Published 2026-09-16. Last modified 2026-09-23.