CVE:CVE-2019-20727
CNNVD:CNNVD-202004-1311
NETGEAR R7800等都是美国网件（NETGEAR）公司的产品。NETGEAR R7800是一款无线路由器。NETGEAR D6100是一款无线调制解调器。NETGEAR WNDR3700是一款无线路由器。
多款NETGEAR产品中存在命令注入漏洞。该漏洞源于外部输入数据构造可执行命令过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞执行非法命令。以下产品及版本受到影响：NETGEAR D6100 1.0.0.63之前版本；R7800 1.0.2.52之前版本；R8900 1.0.4.2之前版本；R9000 1.0.4.2之前版本；WNDR3700v4 1.0.2.102之前版本；WNDR4300v1 1.0.2.104之前版本；WNDR4300v2 1.0.0.58之前版本；WNDR4500v3 1.0.0.58之前版本；WNR2000v5 1.0.0.68之前版本；XR500 2.3.2.32之前版本。
solution:Upgrade netgear d6100_firmware to a higher version than 1.0.0.63,and avoid the version (,1.0.0.63); Upgrade netgear r7800_firmware to a higher version than 1.0.2.52,and avoid the version (,1.0.2.52); Upgrade netgear r8900_firmware to a higher version than 1.0.4.2,and avoid the version (,1.0.4.2); Upgrade netgear r9000_firmware to a higher version than 1.0.4.2,and avoid the version (,1.0.4.2); Upgrade netgear wndr3700_firmware to a higher version than 1.0.2.102,and avoid the version (,1.0.2.102); Upgrade netgear wndr4300_firmware to a higher version than 1.0.2.104,1.0.0.58,and avoid the version (,1.0.2.104),(,1.0.0.58); Upgrade netgear wndr4500_firmware to a higher version than 1.0.0.58,and avoid the version (,1.0.0.58); Upgrade netgear wnr2000_firmware to a higher version than 1.0.0.68,and avoid the version (,1.0.0.68); Upgrade netgear xr500_firmware to a higher version than 2.3.2.32,and avoid the version (,2.3.2.32)