Buffer overflow on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 1.6.x; Cisco TelePresence Multipoint Switch (CTMS) devices with software 1.0.x 1.1.x 1.5.x and 1.6.x; Cisco TelePresence endpoint devices with software 1.2.x through 1.6.x; and Cisco TelePresence Manager 1.2.x 1.3.x 1.4.x 1.5.x and 1.6.2 allows remote attackers to execute arbitrary code via a crafted Cisco Discovery Protocol packet aka Bug IDs CSCtd75769 CSCtd75766 CSCtd75754 and CSCtd75761.