Resource exhaustion in Rockwell Automation 1718-Aentr/1719-Aentr

CVE-2026-9140

A denial-of-service security issue exists in the 1719-AENTR. The security issue stems from improper handling of a UDP unicast network storm, which causes the device to become overloaded and lose communication. A power cycle is required to recover.

EPSS: 0.004 (35.5th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References