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CVE-2026-9140

Last refreshed2026-10-06

Status: UPDATED  |  Advisory ID: CVE-2026-9140

Key Details

CVECVE-2026-9140
CVSS Score / Version8.7 (High) / CVSS v4.0
Updated2026-07-14
Affected productsRockwell Automation 1718-AENTR/1719-AENTR
Classified asCWE-770 (Allocation of Resources Without Limits or Throttling)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Rockwell Automation1718-AENTR/1719-AENTR
SubsystemsGeneral OT
SectorsMultiple

What to Know

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. (NVD)

What to Do

Monitor Rockwell Automation's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-9140
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-9140