CVE:CVE-2019-20722
CNNVD:CNNVD-202004-1306
NETGEAR D7800等都是美国网件（NETGEAR）公司的产品。NETGEAR D7800是一款无线调制解调器。NETGEAR R7500是一款无线路由器。NETGEAR WNDR4300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 D7800 1.0.1.44之前版本；DM200 1.0.0.58之前版本；R7500v2 1.0.3.38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；RBK20 2.3.0.28之前版本；RBR20 2.3.0.28之前版本；RBS20 2.3.0.28之前版本；RBK50 2.3.0.32之前版本；RBR50 2.3.0.32之前版本；RBS50 2.3.0.32之前版本；RBS40 2.3.0.28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 d7800_firmware to a higher version than 1.0.1.44,and avoid the version (,1.0.1.44); Upgrade netgear dm200_firmware to a higher version than 1.0.0.58,and avoid the version (,1.0.0.58); Upgrade netgear r7500_firmware to a higher version than 1.0.3.38,and avoid the version (,1.0.3.38); 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 rbk20_firmware to a higher version than 2.3.0.28,and avoid the version (,2.3.0.28); Upgrade netgear rbr20_firmware to a higher version than 2.3.0.28,and avoid the version (,2.3.0.28); Upgrade netgear rbs20_firmware to a higher version than 2.3.0.28,and avoid the version (,2.3.0.28); Upgrade netgear rbk50_firmware to a higher version than 2.3.0.32,and avoid the version (,2.3.0.32); Upgrade netgear rbr50_firmware to a higher version than 2.3.0.32,and avoid the version (,2.3.0.32); Upgrade netgear rbs50_firmware to a higher version than 2.3.0.32,and avoid the version (,2.3.0.32); Upgrade netgear rbs40_firmware to a higher version than 2.3.0.28,and avoid the version (,2.3.0.28); Upgrade netgear wndr4300_firmware to a higher version than 1.0.0.58,and avoid the version (,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)