Vulnerability · Published Sep 16, 2026 · Assigned by Nozomi
CVE-2026-73177
High 8.6
In plain English
A high-severity insufficient verification of data authenticity in EKI-1242EIMS from Advantech. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Advantech | EKI-1242IEIMS | 0 – through 1.06.01 |
| Advantech | EKI-1242EIMS | 0 – through 1.06.01 |
Weakness: CWE-345 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N