If this is the same DoS bug as recounted here, http://redd.it/3excu7 then yes, it's been seen in the wild!
Borg patches enterprise ASR router DoS hole
Cisco has closed a hole in its ASR 1000 line of enterprise and service provider-grade routers that could trigger denial of service. Attackers can exploit the hole by crafting a series of packets that cause the routers to reload and cut net services. The Borg says it has not witnessed attacks in the wild. "A vulnerability in …