CVE-2026-9140

HighCVSS 8.7/10Last modified Oct 24, 2026

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.

Metrics

CVSS 4.0 8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-770

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Rockwell Automation	1718-AENTR/1719-AENTR	3.011

References

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

Timeline

Published: Jul 14, 2026
Last modified: Oct 24, 2026
NVD status: Awaiting Analysis

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