HIGH 8.7 NVD

CVE-2026-9622

A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet targeting the Forward Close service can cause the RSLinx® Classic service

A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet targeting the Forward Close service can cause the RSLinx® Classic service to crash, requiring a restart of the service to recover.

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1794.

Published: 2026-09-01 · Source: NVD · Feed updated: 2026-09-01

This high severity vulnerability with a CVSS score of 8.7 was published on 2026-09-01 via NVD.

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