VULNERABILITY INTELLIGENCE

CVE-2026-9622

EPSS probability0.43%
CISA KEVNot currently listed
Published2026-09-01
Last modified2026-09-01

Description

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.

Weakness classification

  • PSIRT@rockwellautomation.com: CWE-191

Primary references