CVE:CVE-2019-1920
CNNVD:CNNVD-201907-1015
Cisco IOS Access Points（APs）Software是美国思科（Cisco）公司的一套专用于Cisco无线接入点设备的软件。
Cisco IOS APs Software中802.11r Fast Transition的实现存在输入验证错误漏洞。攻击者可利用该漏洞造成设备意外重启，导致拒绝服务。
solution:Upgrade cisco aironet_3700e_firmware to a higher version than 15.3(3jc14,15.3(3jd6,and avoid the version 15.3(3)jc14,15.3(3)jd6; Upgrade cisco aironet_3700i_firmware to a higher version than 15.3(3jc14,15.3(3jd6,and avoid the version 15.3(3)jc14,15.3(3)jd6; Upgrade cisco aironet_3700p_firmware to a higher version than 15.3(3jc14,15.3(3jd6,and avoid the version 15.3(3)jc14,15.3(3)jd6; Upgrade cisco access_points to a higher version than 8.2.170.0,8.3.150.0,8.5.131.0,8.8.100.0,and avoid the version (,8.2.170.0),[8.3,8.3.150.0),[8.4,8.5.131.0),[8.6,8.8.100.0)