High · 8.8 CVE-2026-73173 EUVD-2026-80727GHSA-r838-p3xg-9mfp

Nozomi Networks Labs identified a CWE-306: Missing Authentication for Critical Function vulnerability in the edgserver management protocol …

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-306: Missing Authentication for Critical Function vulnerability in the edgserver management protocol of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote unauthenticated attacker to invoke critical device-management functions, including network reconfiguration, reboot, reset, and firmware upgrade, by sending crafted requests to TCP port 5058.

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-2026-73173 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