Cisco ATA 190 Series Protocol Packet Input Validation Error Vulnerability

ATA 190, ATA 191, ATA 192 is a Cisco ATA 190 series analog phone adapter.An input authentication error vulnerability exists in Cisco ATA 190 (local deployment only), ATA 191 (local deployment or multi-platform deployment), ATA 192 (multi-platform deployment only), which stems from the Cisco Discovery Protocol (CDP) Cisco Discovery Protocol functionality has a security issue that could be exploited by a remote, unauthenticated attacker to execute arbitrary code on the affected device and cause the CDP Cisco Discovery Protocol service to restart.