Input validation

The DHCP implementation in Cisco IOS on Aironet access points does not properly handle error conditions with short leases and unsuccessful lease-renewal attempts, which allows remote attackers to cause a denial of service device restart by triggering a transition into a recovery state that was...

CVE-2014-7997

The Cisco Aironet DHCP vulnerability CVE-2014-7997 affects the DHCP subsystem of Cisco Aironet access points. It occurs when handling very short DHCP leases and failed renewals, which can trigger a recovery path that restarts the entire device instead of only the network interface. An unauthentic...