Description
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash the iocheck process and write memory resulting in loss of integrity and DoS.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WAGO | 750-81xx/xxx-xxxFW | FW1 – ≤ FW18 Patch 2 | — |
| WAGO | 750-82xx/xxx-xxx | FW1 – ≤ FW18 Patch 2 | — |
| WAGO | 752-8303/8000-0002 | FW1 – ≤ FW18 Patch 2 | — |
| WAGO | 762-4xxx | FW1 – ≤ FW18 Patch 2 | — |
| WAGO | 762-5xxx | FW1 – ≤ FW18 Patch 2 | — |
| WAGO | 762-6xxx | FW1 – ≤ FW18 Patch 2 | — |
Advisories 1
- VDE-2020-036 WAGO: Multiple Vulnerabilities in I/O-Check Service CERT@VDE · May 14, 2025