CVE-2025-3618 Local Privilege Escalation Vulnerability

High 8.5 Published Updated

Attackers can cause denial of service in Rockwell Automation ThinManager by exploiting improper memory allocation verification in Type 18 message processing.

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

What is CVE-2025-3618?

CVE-2025-3618 is a high-severity denial of service vulnerability in Rockwell Automation ThinManager, published on 15 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A denial-of-service vulnerability exists in the Rockwell Automation ThinManager. The software fails to adequately verify the outcome of memory allocation while processing Type 18 messages. If exploited, a threat actor could cause a denial-of-service on the target software.

Weakness: CWE-119

Which versions are affected by CVE-2025-3618?

It affects 1 product.

Products include Rockwellautomation Thinmanager.

How do I fix CVE-2025-3618?

No fix has been published for CVE-2025-3618 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-2025-3618 being exploited?

There is no known exploitation of CVE-2025-3618 in the wild and no public exploit code.

Sources

Also known as GHSA-4w84-6c7g-5c25.

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