Description
A denial-of-service security issue exists in 1734 POINT I/O™ module. The security issue stems from improper handling of crafted CIP messages, which can cause the module to enter a faulted state. A restart is required to recover.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Rockwell Automation | 1734 POINT I/O | 3.023 | — |
Advisories 1
- ICSA-26-202-09 Rockwell Automation 1734 POINT I/O (Update A) CISA ICS & IT advisories · Sep 1, 2026