CVE-2026-9140
High
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.
SeverityHigh
CVSS8.7
Exploit probability—
Product1718-AENTR/1719-AENTR
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Rockwell Automation 1718-AENTR/1719-AENTR | 3.011 | — |
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