CVE:CVE-2019-20723
CNNVD:CNNVD-202004-1307
NETGEAR R8900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 D3600 1.0.0.75之前版本；D6000 1.0.0.75之前版本；D6100 1.0.0.63之前版本；DM200 1.0.0.58之前版本；EX2700 1.0.1.48之前版本；EX6100v2 1.0.1.76之前版本；EX6150v2 1.0.1.76之前版本；EX6200v2 1.0.1.72之前版本；EX6400 1.0.2.136之前版本；EX7300 1.0.2.136之前版本；EX8000 1.0.1.180之前版本；R7800 1.0.2.52之前版本；R8900 1.0.4.2之前版本；R9000 1.0.4.2之前版本；WN2000RPTv3 1.0.1.32之前版本；WN3000RPv2 1.0.0.68之前版本；WN3000RPv3 1.0.2.70之前版本；WN3100RPv2 1.0.0.60之前版本；WNDR4300v2 1.0.0.58之前版本；WNDR4500v3 1.0.0.58之前版本；WNR2000v5 1.0.0.68之前版本；XR500 2.3.2.32之前版本。
solution:Upgrade netgear d3600_firmware to a higher version than 1.0.0.75,and avoid the version (,1.0.0.75); Upgrade netgear d6000_firmware to a higher version than 1.0.0.75,and avoid the version (,1.0.0.75); Upgrade netgear d6100_firmware to a higher version than 1.0.0.63,and avoid the version (,1.0.0.63); Upgrade netgear dm200_firmware to a higher version than 1.0.0.58,and avoid the version (,1.0.0.58); Upgrade netgear ex2700_firmware to a higher version than 1.0.1.48,and avoid the version (,1.0.1.48); Upgrade netgear ex6100_firmware to a higher version than 1.0.1.76,and avoid the version (,1.0.1.76); Upgrade netgear ex6150_firmware to a higher version than 1.0.1.76,and avoid the version (,1.0.1.76); Upgrade netgear ex6200_firmware to a higher version than 1.0.1.72,and avoid the version (,1.0.1.72); Upgrade netgear ex6400_firmware to a higher version than 1.0.2.136,and avoid the version (,1.0.2.136); Upgrade netgear ex7300_firmware to a higher version than 1.0.2.136,and avoid the version (,1.0.2.136); Upgrade netgear ex8000_firmware to a higher version than 1.0.1.180,and avoid the version (,1.0.1.180); Upgrade netgear r7800_firmware to a higher version than 1.0.2.52,and avoid the version (,1.0.2.52); 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 wn2000rpt_firmware to a higher version than 1.0.1.32,and avoid the version (,1.0.1.32); Upgrade netgear wn3000rp_firmware to a higher version than 1.0.0.68,1.0.2.70,and avoid the version (,1.0.0.68),(,1.0.2.70); Upgrade netgear wn3100rp_firmware to a higher version than 1.0.0.60,and avoid the version (,1.0.0.60); Upgrade netgear wndr4300_firmware to a higher version than 1.0.0.58,and avoid the version (,1.0.0.58); Upgrade netgear wndr4500_firmware to a higher version than 1.0.0.58,and avoid the version (,1.0.0.58); Upgrade netgear wnr2000_firmware to a higher version than 1.0.0.68,and avoid the version (,1.0.0.68); Upgrade netgear xr500_firmware to a higher version than 2.3.2.32,and avoid the version (,2.3.2.32)