CVE-2025-9437 Rockwell Automation ArmorStart® AOP Denial-of-Service Vulnerability
Attackers can cause denial of service in Rockwell ArmorStart motor controllers by inputting invalid values into COM methods within the Studio 5000 Logix Designer add-on profile.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9437?
CVE-2025-9437 is a high-severity denial of service vulnerability in Rockwell Automation ArmorStart AOP, published on 14 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security issue exists within the Studio 5000 Logix Designer add-on profile (AOP) for the ArmorStart Classic distributed motor controller, resulting in denial-of-service. This vulnerability is possible due to the input of invalid values into Component Object Model (COM) methods.
Weakness: CWE-755
Which versions are affected by CVE-2025-9437?
How do I fix CVE-2025-9437?
No fix has been published for CVE-2025-9437 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-2025-9437 being exploited?
There is no known exploitation of CVE-2025-9437 in the wild and no public exploit code.
Sources
Also known as GHSA-3p4f-g732-2rg3.