CVE:CVE-2018-21135
CNNVD:CNNVD-202004-2029
NETGEAR R6700等都是美国网件（NETGEAR）公司的一款无线路由器。
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 R6700 1.0.1.48之前版本；R7500 1.0.0.124之前版本；R7800 1.0.2.58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 1.0.0.56之前版本；WNDR4500v3 1.0.0.56之前版本；WNR2000v5-R2000 1.0.0.68之前版本。
solution:Upgrade netgear r6700_firmware to a higher version than 1.0.1.48,and avoid the version (,1.0.1.48); Upgrade netgear r7500_firmware to a higher version than 1.0.0.124,and avoid the version (,1.0.0.124); Upgrade netgear r7800_firmware to a higher version than 1.0.2.58,and avoid the version (,1.0.2.58); 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 1.0.2.104,1.0.0.56,and avoid the version (,1.0.2.104),(,1.0.0.56); Upgrade netgear wndr4500_firmware to a higher version than 1.0.0.56,and avoid the version (,1.0.0.56); Upgrade netgear wnr2000_firmware to a higher version than 1.0.0.68,and avoid the version (,1.0.0.68)