CVE-2026-73177: Advantech Eki-1242eims

High severity, CVSS 8.6. EPSS: 0.1% chance of exploitation in the next 30 days.

Nozomi Networks Labs identified a CWE-345: Insufficient Verification of Data Authenticity vulnerability in the firmware upgrade mechanism of the Advantech EKI-1242EIMS in firmware version V1.06.01. The device accepts firmware images through the authenticated web management interface without performing any cryptographic signature or certificate verification. An authenticated administrator-level attacker can install arbitrary modified firmware on the device, enabling full persistent compromise of the platform.

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 2026-09-17.