CVE:CVE-2018-21144
CNNVD:CNNVD-202004-1841
NETGEAR R7800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 DM200 1.0.0.52之前版本；R7500 1.0.0.122之前版本；R7800 1.0.2.42之前版本；R8900 1.0.3.10之前版本；R9000 1.0.3.16之前版本；WNDR3700v4 1.0.2.96之前版本；WNDR4300 1.0.2.98之前版本；WNDR4300v2 1.0.0.54之前版本；WNDR4500v3 1.0.0.54之前版本；WNR2000v5 1.0.0.64之前版本。
solution:Upgrade netgear dm200_firmware to a higher version than 1.0.0.52,and avoid the version (,1.0.0.52); Upgrade netgear r7500_firmware to a higher version than 1.0.0.122,and avoid the version (,1.0.0.122); Upgrade netgear r7800_firmware to a higher version than 1.0.2.42,and avoid the version (,1.0.2.42); Upgrade netgear r8900_firmware to a higher version than 1.0.3.10,and avoid the version (,1.0.3.10); Upgrade netgear r9000_firmware to a higher version than 1.0.3.16,and avoid the version (,1.0.3.16); Upgrade netgear wndr3700_firmware to a higher version than 1.0.2.96,and avoid the version (,1.0.2.96); Upgrade netgear wndr4300_firmware to a higher version than 1.0.2.98,1.0.0.54,and avoid the version (,1.0.2.98),(,1.0.0.54); Upgrade netgear wndr4500_firmware to a higher version than 1.0.0.54,and avoid the version (,1.0.0.54); Upgrade netgear wnr2000_firmware to a higher version than 1.0.0.64,and avoid the version (,1.0.0.64)