CVE:CVE-2018-21153
CNNVD:CNNVD-202004-2201
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 DM200是一款无线调制解调器。NETGEAR EX2700是一款无线网络信号扩展器。
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 1.0.1.34之前版本；DM200 1.0.0.50之前版本；EX2700 1.0.1.32之前版本；EX6100v2 1.0.1.70之前版本；EX6150v2 1.0.1.70之前版本；EX6200v2 1.0.1.62之前版本；EX6400 1.0.1.78之前版本；EX7300 1.0.1.62之前版本；EX8000 1.0.0.114之前版本；R6100 1.0.1.22之前版本；R7500 1.0.0.122之前版本；R7500v2 1.0.3.26之前版本；R7800 1.0.2.40之前版本；R8900 1.0.3.10之前版本；R9000 1.0.3.10之前版本；WN2000RPTv3 1.0.1.26之前版本；WN3000RPv2 1.0.0.56之前版本；WN3000RPv3 1.0.2.66之前版本；WN3100RPv2 1.0.0.56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 d7800_firmware to a higher version than 1.0.1.34,and avoid the version (,1.0.1.34); Upgrade netgear dm200_firmware to a higher version than 1.0.0.50,and avoid the version (,1.0.0.50); Upgrade netgear ex2700_firmware to a higher version than 1.0.1.32,and avoid the version (,1.0.1.32); Upgrade netgear ex6100_firmware to a higher version than 1.0.1.70,and avoid the version (,1.0.1.70); Upgrade netgear ex6150_firmware to a higher version than 1.0.1.70,and avoid the version (,1.0.1.70); Upgrade netgear ex6200_firmware to a higher version than 1.0.1.62,and avoid the version (,1.0.1.62); Upgrade netgear ex6400_firmware to a higher version than 1.0.1.78,and avoid the version (,1.0.1.78); Upgrade netgear ex7300_firmware to a higher version than 1.0.1.62,and avoid the version (,1.0.1.62); Upgrade netgear ex8000_firmware to a higher version than 1.0.0.114,and avoid the version (,1.0.0.114); 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 1.0.0.122,1.0.3.26,and avoid the version (,1.0.0.122),(,1.0.3.26); Upgrade netgear r7800_firmware to a higher version than 1.0.2.40,and avoid the version (,1.0.2.40); 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 1.0.3.10,and avoid the version (,1.0.3.10); Upgrade netgear wn2000rpt_firmware to a higher version than 1.0.1.26,and avoid the version (,1.0.1.26); Upgrade netgear wn3000rp_firmware to a higher version than 1.0.0.56,1.0.2.66,and avoid the version (,1.0.0.56),(,1.0.2.66); Upgrade netgear wn3100rp_firmware to a higher version than 1.0.0.56,and avoid the version (,1.0.0.56); 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)