Cisco Security Advisory: Cisco IOS Software IPsec Vulnerability
A malformed Internet Key Exchange (IKE) packet may cause a device running Cisco IOS Software to reload. Only Cisco 7200 Series and Cisco 7301 routers running Cisco IOS software with a VPN Acceleration Module 2+ (VAM2+) installed are affected. Cisco has released free software updates that address this vulnerability. Only Cisco 7200 Series and Cisco 7301 routers with VPN Acceleration Module 2+ (VAM2+) are affected by this vulnerability.