Buffer overflow in Rockwell Automation Rslinx Classic®
CVE-2026-9625
A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet with an oversized embedded message request can cause the RSLinx® Classic service to crash, requiring a restart of the service to recover.
Vulnerability class: Buffer Overflow
Affected products
- Rockwell Automation Rslinx Classic® — versions V4.50 and prior