View CSAF Summary Successful exploitation of this vulnerability could allow for an attacker to cause a denial-of-service condition on the product. The following versions of Rockwell Automation 1718-AENTR/1719-AENTR are affected: 1718/ 1719 Ex I/O 3.011  CVSS Vendor Equipment Vulnerabilities v3 7.5 Rockwell Automation Rockwell Automation 1718-AENTR/1719-AENTR Allocation of Resources Without Limits or Throttling Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + 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. View CVE Details Affected Products Rockwell Automation 1718-AENTR/1719-AENTR Vendor: Rockwell Automation Product Version: Rockwell Automation 1718/ 1719 Ex I/O: 3.011 Product Status: known_affected Remediations Vendor fix Rockwell Automation recommends users to upgrade to 1718/ 1719 Ex I/O version 3.012 or later. Mitigation Customers using the affected software, who are not able to upgrade to one of the corrected versions, should use Rockwell Automation's security best practices (https://support.rockwella...