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.

Score

CVSS 4.0 8.7 High

Status

Awaiting Analysis - PSIRT@rockwellautomation.com

Published

2026-07-14

Last modified

2026-10-24

Weaknesses

CWE-770

Affected products

• 1718-aentr1719-aentr (Rockwell Automation)

References

• https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1778.html