CVE-2026-73166 Code injection in EKI-1242EIMS

High 8.6 Published Updated

Remote authenticated attackers can execute arbitrary code and OS commands as root on Advantech EKI-1242IEIMS devices via the web interface.

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-2026-73166?

CVE-2026-73166 is a high-severity code injection 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-94: Improper Control of Generation of Code ('Code Injection') vulnerability in the web management interface of Advantech EKI-1242IEIMS in firmware version V1.06.01 that allows a remote authenticated attacker to execute arbitrary code on the device, including OS commands as root.

Weakness: CWE-94

Which versions are affected by CVE-2026-73166?

How do I fix CVE-2026-73166?

No fix has been published for CVE-2026-73166 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-73166 being exploited?

There is no known exploitation of CVE-2026-73166 in the wild and no public exploit code.

Sources

Also known as GHSA-gvj7-6g7v-fh34.

Is CVE-2026-73166 in your software?

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