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CVE-2026-0646 A denial-of-service security issue exists within the 1794-AENTR adapter due to improper memory handling of CIP…

Description

A denial-of-service security issue exists within the 1794-AENTR adapter due to improper memory handling of CIP protocol requests. This vulnerability can result in the adapter faulting and losing connection to its associated I/O modules, requiring a manual reset to recover.

Affected products and versions

Product Affected versions Fixed in
FLEX I/O EtherNet/IP Adapters 2.012 No fix stated

Other CVEs of FLEX I/O EtherNet/IP Adapters

The 2 CVEs of FLEX I/O EtherNet/IP Adapters →
CVE-2026-0647 An improper authentication security issue exists within the 1794-AENTR adapter's embedded web server 8.8 High
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