Immune Systems:
* Cisco 12000 Series SPA interface processors running Cisco IOS Software
* Cisco XR 12000 Series Engine 3 Line Cards
* Cisco ASR 9000 Series Aggregation Services Routers
* Cisco Carrier Routing System Series Routers
Successful exploitation of the vulnerability may result in a reloading of the SPA interface processor. Repeated exploitation could result in a sustained denial of service (DoS) condition.