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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-0646

Rockwell Automation FLEX I/O Dual-port EtherNet/IP Adapters – Multiple Vulnerabilities

Description

A denial-of-service security issue exists within the 1794-AENTR adapter due to improper memory handling of CIP protocol requests. This vulnerability can result in the adapter faulting and losing connection to its associated I/O modules, requiring a manual reset to recover.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Rockwell Automation FLEX I/O EtherNet/IP Adapters

Default version status: unaffected

  • 2.012affected

References