CVE-2026-73177

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.

Score

CVSS 4.0 8.6 High

Status

Awaiting Analysis - prodsec@nozominetworks.com

Published

2026-09-16

Last modified

2026-09-17

Weaknesses

CWE-345

Affected products

• Eki-1242eims (Advantech)
• Eki-1242ieims (Advantech)

References

• https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-…
• https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73177