CVE-2026-9140 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

No data.

References

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

History

Tue, 14 Jul 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 14 Jul 2026 15:15:00 +0000

Type	Values Removed	Values Added
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.
Title		1718-AENTR/1719-AENTR - Denial of Service
Weaknesses		CWE-770
References		https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1778.html
Metrics		cvssV4_0 `{'score': 8.7, 'vector': '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'}`

MITRE

Status: PUBLISHED

Assigner: Rockwell

Published: 2026-07-14T14:52:20.870Z

Updated: 2026-07-14T15:24:32.109Z

Reserved: 2026-05-20T19:35:43.256Z

Link: CVE-2026-9140

Vulnrichment

Updated: 2026-07-14T15:24:28.068Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

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