CVE-2026-73177 Security feature bypass in EKI-1242EIMS

High 8.6 Published Updated

An authenticated administrator can install unsigned firmware on Advantech EKI-1242EIMS devices, leading to persistent platform compromise.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-73177?

CVE-2026-73177 is a high-severity vulnerability in Advantech EKI-1242EIMS, published on 16 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

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.

Weakness: CWE-345

Which versions are affected by CVE-2026-73177?

How do I fix CVE-2026-73177?

No fix has been published for CVE-2026-73177 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-73177 being exploited?

There is no known exploitation of CVE-2026-73177 in the wild and no public exploit code.

Sources

Also known as GHSA-pxh8-mw2j-c73g.

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