High · 8.6 CVE-2026-73177 EUVD-2026-80700GHSA-pxh8-mw2j-c73g

Nozomi Networks Labs identified a CWE-345: Insufficient Verification of Data Authenticity vulnerability in the firmware upgrade mechanism o…

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-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

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-2026-73177 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