Description
A vulnerability has been identified in RWG1.M12 (All versions < V1.16.16), RWG1.M12D (All versions < V1.16.16), RWG1.M8 (All versions < V1.16.16). Sending specially crafted ARP packets to an affected device could cause a partial denial-of-service, preventing the device to operate normally. A restart is needed to restore normal operations.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | RWG1.M12 | All versions < V1.16.16 | — |
| Siemens | RWG1.M12D | All versions < V1.16.16 | — |
| Siemens | RWG1.M8 | All versions < V1.16.16 | — |
Advisories 2
- ICSA-21-194-14 Siemens RWG Universal Controllers CISA ICS & IT advisories · May 6, 2025
- SSA-448291 SSA-448291: Denial-of-Service Vulnerability in ARP Protocol of RWG Universal Controllers Siemens ProductCERT · Jul 13, 2021