CVE-2025-9368 432ES-IG3 Series A Denial-of-Service Vulnerability
Attackers can cause a denial-of-service condition on Rockwell 432ES-IG3 Series A devices, requiring a manual power cycle for recovery.
- 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-2025-9368?
CVE-2025-9368 is a high-severity denial of service vulnerability in Rockwell Automation 432ES-IG3 Series A, published on 9 Dec 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 432ES-IG3 Series A, which affects GuardLink® EtherNet/IP Interface, resulting in denial-of-service. A manual power cycle is required to recover the device.
Weakness: CWE-770
Which versions are affected by CVE-2025-9368?
How do I fix CVE-2025-9368?
No fix has been published for CVE-2025-9368 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-2025-9368 being exploited?
There is no known exploitation of CVE-2025-9368 in the wild and no public exploit code.
Sources
Also known as GHSA-9j5p-38c5-5684.