Description
When Beckhoff TwinCAT is configured to use the Profinet driver, a denial of service of the controller could be reached by sending a malformed UDP packet to the device. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Beckhoff | TwinCAT 2 | 2304 – ≤ 2304 | — |
| Beckhoff | TwinCAT 3.1 | 4204.0 – ≤ 4204.0 | — |
Advisories 1
- VDE-2019-019 Beckhoff: TwinCAT Denial-of-Service in Profinet driver CERT@VDE · May 14, 2025