The vulnerability of the NULL character detection function in Cisco Firepower Threat Defense’s network interface controllers, as well as in Cisco FirePOWER Services Software for ASA and Cisco Firepower Management Center’s network management software, allows attackers to bypass the configured content filters and compromise the integrity of the protected information.

The vulnerability of the NULL character detection function in Cisco Firepower Threat Defense’s microprogramming network interface cards, as well as in Cisco FirePOWER Services Software for ASA and Cisco Firepower Management Center’s network management software, stems from errors in command text...