CVE-2025-8008 Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability

High 7.1 Published Updated

Attackers can crash Rockwell Automation network modules by sending crafted messages during Forward Close operations, disrupting industrial control systems.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-8008?

CVE-2025-8008 is a high-severity denial of service vulnerability in Rockwell Automation 1756-ENT2R, 1756-EN4TR, 1756-EN4TRXT, published on 9 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security issue exists in the protected mode of EN4TR devices, where sending specifically crafted messages during a Forward Close operation can cause the device to crash.

Weakness: CWE-755

Which versions are affected by CVE-2025-8008?

It affects 5 products.

Products include Rockwellautomation 1756-En2tr Series a Firmware, Rockwellautomation 1756-En2tr Series B Firmware, Rockwellautomation 1756-En2tr Series C Firmware, Rockwellautomation 1756-En4tr Firmware, Rockwellautomation 1756-En4trxt Firmware.

How do I fix CVE-2025-8008?

No fix has been published for CVE-2025-8008 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-8008 being exploited?

There is no known exploitation of CVE-2025-8008 in the wild and no public exploit code.

Sources

Also known as GHSA-p3r4-f5ww-gwf6.

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