Description
Multiple denial-of-service vulnerabilities exist in the affected product. These issues can be triggered through various crafted inputs, including malformed Class 3 messages, memory leak conditions, and other resource exhaustion scenarios. Exploitation may cause the device to become unresponsive and, in some cases, result in a major nonrecoverable fault. Recovery may require a restart.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Rockwell Automation | ControlLogix® Redundancy Enhanced Module | All Versions | — |
Advisories 2
- ICSA-26-029-03 Rockwell Automation ControlLogix CISA ICS & IT advisories · Jan 29, 2026
- WID-SEC-2026-0171 Rockwell Automation ControlLogix (Redundancy Enhanced Module): Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jan 20, 2026