High severity7.5NVD Advisory· Published Jul 21, 2026
Rockwell Automation 1718-AENTR/1719-AENTR
CVE-2026-9140
Description
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.
Affected products
2Patches
Vulnerability mechanics
News mentions
1- Rockwell Automation 1718-AENTR/1719-AENTRCISA ICS Advisories