CVE-2026-12659

Description

A denial-of-service security issue exists in the affected products. The security issue stems from improper handling of exceptional conditions when processing crafted CIP packets sent to the adapter. A power cycle is required to recover the module and associated I/O.

References

• https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1789.html