CVE:CVE-2021-40847
CNNVD:CNNVD-202109-1539
Netgear NETGEAR是美国网件（Netgear）公司的一款路由器。连接两个或多个网络的硬件设备，在网络间起网关的作用。
NETGEAR routers 存在安全漏洞，远程攻击者可以在Circle 家长控制服务的更新过程中通过 MitM 攻击以 root 身份远程执行代码。
solution:Upgrade netgear r6400v2_firmware to a higher version than 1.0.4.106,and avoid the version 1.0.4.106; Upgrade netgear r6700_firmware to a higher version than 1.0.2.16,and avoid the version 1.0.2.16; Upgrade netgear r6700v3_firmware to a higher version than 1.0.4.106,and avoid the version 1.0.4.106; Upgrade netgear r6900_firmware to a higher version than 1.0.2.16,and avoid the version 1.0.2.16; Upgrade netgear r6900p_firmware to a higher version than 1.3.2.134,and avoid the version 1.3.2.134; Upgrade netgear r7000_firmware to a higher version than 1.0.11.123,and avoid the version 1.0.11.123; Upgrade netgear r7000p_firmware to a higher version than 1.3.2.134,and avoid the version 1.3.2.134; Upgrade netgear r7850_firmware to a higher version than 1.0.5.68,and avoid the version 1.0.5.68; Upgrade netgear r7900_firmware to a higher version than 1.0.4.38,and avoid the version 1.0.4.38; Upgrade netgear r8000_firmware to a higher version than 1.0.4.68,and avoid the version 1.0.4.68; Upgrade netgear rs400_firmware to a higher version than 1.5.0.68,and avoid the version 1.5.0.68