CVE-2026-73177

High

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.

SeverityHigh

CVSS8.6

Exploit probability—

ProductEKI-1242EIMS

PublishedSep 16, 2026

First seenSep 16, 2026

Weakness typeCWE-345CWE-345

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	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.