Controller may be loaded with malicious firmware which could enable remote code execution. See Honeywell Security Notification for recommendations on upgrading and versioning.
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| C300_firmware | Honeywell | 501.1 (including) | 501.6hf8 (including) |
| C300_firmware | Honeywell | 510.1 (including) | 510.2hf12 (including) |
| C300_firmware | Honeywell | 511.1 (including) | 511.5tcu3 (including) |
| C300_firmware | Honeywell | 520.1 (including) | 520.1tcu4 (including) |
| C300_firmware | Honeywell | 520.2 (including) | 520.2tcu2 (including) |