CVE:CVE-2018-21227
CNNVD:CNNVD-202004-2130
NETGEAR R6400等都是美国网件（NETGEAR）公司的产品。NETGEAR R6400是一款无线路由器。NETGEAR R6700是一款无线路由器。NETGEAR D7800是一款无线调制解调器。
多款NETGEAR产品中存在注入漏洞。该漏洞源于用户输入构造命令、数据结构或记录的操作过程中，网络系统或产品缺乏对用户输入数据的正确验证，未过滤或未正确过滤掉其中的特殊元素，导致系统或产品产生解析或解释方式错误。以下产品及版本受到影响：NETGEAR D7800 1.0.1.34之前版本；R6400v2 1.0.2.34之前版本；R6700 1.0.1.30之前版本；R6900 1.0.1.30之前版本；R6900P 1.0.0.62之前版本；R7000 1.0.9.12之前版本；R7000P 1.0.0.62之前版本；R7500v2 1.0.3.26之前版本；R7800 1.0.2.42之前版本；R9000 1.0.3.10之前版本；WNDR4300v2 1.0.0.50之前版本；WNDR4500v3 1.0.0.50之前版本。
solution:Upgrade netgear d7800_firmware to a higher version than 1.0.1.34,and avoid the version (,1.0.1.34); Upgrade netgear r6400_firmware to a higher version than 1.0.2.34,and avoid the version (,1.0.2.34); Upgrade netgear r6700_firmware to a higher version than 1.0.1.30,and avoid the version (,1.0.1.30); Upgrade netgear r6900_firmware to a higher version than 1.0.1.30,and avoid the version (,1.0.1.30); Upgrade netgear r6900p_firmware to a higher version than 1.0.0.62,and avoid the version (,1.0.0.62); Upgrade netgear r7000_firmware to a higher version than 1.0.9.12,and avoid the version (,1.0.9.12); Upgrade netgear r7000p_firmware to a higher version than 1.0.0.62,and avoid the version (,1.0.0.62); Upgrade netgear r7500_firmware to a higher version than 1.0.3.26,and avoid the version (,1.0.3.26); Upgrade netgear r7800_firmware to a higher version than 1.0.2.42,and avoid the version (,1.0.2.42); Upgrade netgear r9000_firmware to a higher version than 1.0.3.10,and avoid the version (,1.0.3.10); Upgrade netgear wndr4300_firmware to a higher version than 1.0.0.50,and avoid the version (,1.0.0.50); Upgrade netgear wndr4500_firmware to a higher version than 1.0.0.50,and avoid the version (,1.0.0.50)