CVE:CVE-2018-21199
CNNVD:CNNVD-202004-2265
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 R6100是一款无线路由器。
多款NETGEAR产品中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下产品及版本受到影响：NETGEAR D7800 1.0.1.30之前版本；R6100 1.0.1.22之前版本；R7500 1.0.0.122之前版本；R7500v2 1.0.3.24之前版本；R7800 1.0.2.40之前版本；R9000 1.0.2.52之前版本；WNDR4300 1.0.2.98之前版本。
solution:Upgrade netgear d7800_firmware to a higher version than 1.0.1.30,and avoid the version (,1.0.1.30); Upgrade netgear r6100_firmware to a higher version than 1.0.1.22,and avoid the version (,1.0.1.22); Upgrade netgear r7500_firmware to a higher version than 1.0.3.24,1.0.0.122,and avoid the version (,1.0.3.24),(,1.0.0.122); Upgrade netgear r7800_firmware to a higher version than 1.0.2.40,and avoid the version (,1.0.2.40); Upgrade netgear r9000_firmware to a higher version than 1.0.2.52,and avoid the version (,1.0.2.52); Upgrade netgear wndr4300_firmware to a higher version than 1.0.2.98,and avoid the version (,1.0.2.98)