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1 vulnerability found for 1756-EN2, 1756-EN3 by Rockwell Automation
CVE-2026-9653 (GCVE-0-2026-9653)
Vulnerability from cvelistv5
Published
2026-07-14 15:00
Modified
2026-07-14 15:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-354 - Improper validation of integrity check value
Summary
A denial-of-service security issue exists across all the 1756-EN2, EN3, and ENBT communication module due to improper validation of CIP Implicit Connection packets. An attacker on the network can exploit this by sending crafted packets to continuously disrupt device connections, though device connections will recover immediately after.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Rockwell Automation | 1756-EN2, 1756-EN3 |
Version: 12.001 and before |
|||||||
|
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