CVE-2026-0646 (GCVE-0-2026-0646)
Vulnerability from cvelistv5 – Published: 2026-06-16 14:19 – Updated: 2026-06-16 15:24
VLAI
EPSS
VEX
Title
Rockwell Automation FLEX I/O Dual-port EtherNet/IP Adapters – Multiple Vulnerabilities
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 15:24 UTC
CWE
- CWE-401 - – Missing Release of Memory after Effective Lifetime
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Rockwell Automation | FLEX I/O EtherNet/IP Adapters |
Affected:
2.012
(custom)
|
guessed |
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Nomenclature
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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