Cisco firewalls under attack – and there's no patch: Too many SIPs and they drown in data

Denial-of-service flaw exploited by miscreants in the wild, networking kit giant warns

Cisco says miscreants are actively exploiting a SIP vulnerability in its networking gear that it disclosed on Wednesday.…

via The Register - Data Centre: Networks
http://go.theregister.com/feed/www.theregister.co.uk/2018/11/02/cisco_sip_warning/