CVE:CVE-2022-20933
CNNVD:CNNVD-202210-1459
Cisco Meraki MX Series Security Appliances是美国思科（Cisco）公司的Meraki MX 系列的安全路由器。该设备具有LTE、SD-WAN、状态防火墙和集成的Sourcefire入侵防御（IPS）引擎以确保网络安全。
Cisco Meraki MX Series Security Appliances 存在安全漏洞，该漏洞源于客户端验证不足，可能允许未经身份验证的远程攻击者在受影响的设备上造成拒绝服务(DoS)，攻击者可以通过制作恶意请求并将其发送到受影响的设备来利用此漏洞，成功的利用可能允许攻击者导致服务器崩溃并重新启动，从而导致已建立的连接失败并强制远程用户启动新的连接并重新进行身份验证。
solution:Upgrade cisco meraki_mx64_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx64w_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx65_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx65w_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx67_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx67cw_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx67w_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx68_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx68cw_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx68w_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx75_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx84_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx85_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx95_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx100_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx105_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx250_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx400_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx450_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_mx600_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_vmx_firmware to a higher version than 16.16.6,17.10.1,and avoid the version [16.2.0,16.16.6),[17.0.0,17.10.1); Upgrade cisco meraki_z3c_firmware to a higher version than -; Upgrade cisco meraki_z3_firmware to a higher version than -