CVE:CVE-2018-21162
CNNVD:CNNVD-202004-2035
NETGEAR EX7000等都是美国网件（NETGEAR）公司的产品。NETGEAR EX7000是一款无线网络信号扩展器。NETGEAR R8500是一款无线路由器。NETGEAR D6400是一款无线调制解调器。
多款NETGEAR产品中存在操作系统命令注入漏洞。该漏洞源于外部输入数据构造操作系统可执行命令过程中，网络系统或产品未正确过滤其中的特殊字符、命令等。攻击者可利用该漏洞执行非法操作系统命令。以下产品及版本受到影响：NETGEAR D6400 1.0.0.78之前版本；EX6200 1.0.3.86之前版本；EX7000 1.0.0.64之前版本；R6250 1.0.4.8之前版本；R6300v2 1.0.4.6之前版本；R6400 1.0.1.12之前版本；R6700 1.0.1.16之前版本；R7000 1.0.7.10之前版本；R7100LG 1.0.0.42之前版本；R7300DST 1.0.0.44之前版本；R7900 1.0.1.12之前版本；R8000 1.0.3.36之前版本；R8300 1.0.2.74之前版本；R8500 1.0.2.74之前版本；WNDR3400v3 1.0.1.14之前版本；WNR3500Lv2 1.2.0.48之前版本。
solution:Upgrade netgear d6400_firmware to a higher version than 1.0.0.78,and avoid the version (,1.0.0.78); Upgrade netgear ex6200_firmware to a higher version than 1.0.3.86,and avoid the version (,1.0.3.86); Upgrade netgear ex7000_firmware to a higher version than 1.0.0.64,and avoid the version (,1.0.0.64); Upgrade netgear r6250_firmware to a higher version than 1.0.4.8,and avoid the version (,1.0.4.8); Upgrade netgear r6300_firmware to a higher version than 1.0.4.6,and avoid the version (,1.0.4.6); Upgrade netgear r6400_firmware to a higher version than 1.0.1.12,and avoid the version (,1.0.1.12); Upgrade netgear r6700_firmware to a higher version than 1.0.1.16,and avoid the version (,1.0.1.16); Upgrade netgear r7000_firmware to a higher version than 1.0.7.10,and avoid the version (,1.0.7.10); Upgrade netgear r7100lg_firmware to a higher version than 1.0.0.42,and avoid the version (,1.0.0.42); Upgrade netgear r7300dst_firmware to a higher version than 1.0.0.44,and avoid the version (,1.0.0.44); Upgrade netgear r7900_firmware to a higher version than 1.0.1.12,and avoid the version (,1.0.1.12); Upgrade netgear r8000_firmware to a higher version than 1.0.3.36,and avoid the version (,1.0.3.36); Upgrade netgear r8300_firmware to a higher version than 1.0.2.74,and avoid the version (,1.0.2.74); Upgrade netgear r8500_firmware to a higher version than 1.0.2.74,and avoid the version (,1.0.2.74); Upgrade netgear wndr3400_firmware to a higher version than 1.0.1.14,and avoid the version (,1.0.1.14); Upgrade netgear wnr3500l_firmware to a higher version than 1.2.0.48,and avoid the version (,1.2.0.48)