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CVE-2026-9140

HIGH
8.7
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-9140
State
PUBLISHED
Assigner
Rockwell
Reserved
2026-05-20 19:35 UTC
Published
2026-07-14 14:52 UTC
Last updated
2026-07-14 15:24 UTC
Primary CWE
CWE-770
CWE-770 Allocation of resources without limits or throttling
Vendor / Product
Rockwell Automation / 1718-AENTR/1719-AENTR
Sources
cve.org  ·  NVD

Severity & Metrics

8.7 HIGH CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Rockwell Automation 1718-AENTR/1719-AENTR — 3.011
Weakness (CWE)
CWESourceDescription
CWE-770 cna CWE-770 Allocation of resources without limits or throttling
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.7 HIGH 4.0 cna 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
References (1)
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