Issue
The customer (or others) have performed Ethernet penetration tests and some controllers have reset
Product Line
Andover Continuum
Environment
Ethernet Controllers Netcontroller
Cause
Some earlier versions of firmware include vulnerabilities to broadcast storms or DOS attacks.
Resolution
The following firmware versions have fixes that relate to resetting of controllers due to unusual Ethernet Activity.
Those shown are not always the latest version and it is best practice to use the latest firmware available on all sites.
The following controller versions and above:
| bCX 4040 (BACnet) bCX1-INF 9640 | v1.200025 |
| Netcontroller CX99xx | v1.5300026 |
| Netcontroller NC2 CX9680 | v2.100035 |
| ACX57xx | v1.100037 |
| CX9702 | v1.200036 |
All firmware compatible with Continuum v1.90 and later.
Previous versions not shown, but all the information required is available from the firmware release notes
See Continuum controllers go offline during a broadcast storm
