High severityNVD Advisory· Published Jun 16, 2026· Updated Jun 16, 2026

CVE-2026-0646

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Rockwellautomation/1794-AENTRllm-create

Patches

Vulnerability mechanics

References

www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1775.htmlnvd

News mentions

Rockwell Automation FLEX I/O EtherNet/IP Adapters
CISA ICS Advisories

cvss	0.455
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000