CVE:CVE-2019-20712
CNNVD:CNNVD-202004-1296
NETGEAR R6250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 D6220 1.0.0.52之前版本；D6400 1.0.0.86之前版本；D7000v2 1.0.0.53之前版本；D8500 1.0.3.44之前版本；DGN2200v4 1.0.0.110之前版本；DGND2200Bv4 1.0.0.109之前版本；R6250 1.0.4.34之前版本；R6300v2 1.0.4.32之前版本；R6400 1.0.1.46之前版本；R6400v2 1.0.2.62之前版本；R6700 1.0.2.6之前版本；R6900 1.0.2.4之前版本；R6900P 1.3.1.64之前版本；R7000 1.0.9.60之前版本；R7000P 1.3.1.64之前版本；R7100LG 1.0.0.52之前版本；R7300DST 1.0.0.70之前版本；R7900 1.0.3.8之前版本；R7900P 1.4.1.30之前版本；R8000 1.0.4.28之前版本；R8000P 1.4.1.30之前版本；R8300 1.0.2.128之前版本；R8500 1.0.2.128之前版本；WNDR3400v3 1.0.1.24之前版本；WNR3500Lv2 1.2.0.56之前版本。
solution:Upgrade netgear d6220_firmware to a higher version than 1.0.0.52,and avoid the version (,1.0.0.52); Upgrade netgear d6400_firmware to a higher version than 1.0.0.86,and avoid the version (,1.0.0.86); Upgrade netgear d7000_firmware to a higher version than 1.0.0.53,and avoid the version (,1.0.0.53); Upgrade netgear d8500_firmware to a higher version than 1.0.3.44,and avoid the version (,1.0.3.44); Upgrade netgear dgn2200_firmware to a higher version than 1.0.0.110,and avoid the version (,1.0.0.110); Upgrade netgear dgnd2200b_firmware to a higher version than 1.0.0.109,and avoid the version (,1.0.0.109); Upgrade netgear r6250_firmware to a higher version than 1.0.4.34,and avoid the version (,1.0.4.34); Upgrade netgear r6300_firmware to a higher version than 1.0.4.32,and avoid the version (,1.0.4.32); Upgrade netgear r6400_firmware to a higher version than 1.0.1.46,1.0.2.62,and avoid the version (,1.0.1.46),(,1.0.2.62); Upgrade netgear r6700_firmware to a higher version than 1.0.2.6,and avoid the version (,1.0.2.6); Upgrade netgear r6900_firmware to a higher version than 1.0.2.4,and avoid the version (,1.0.2.4); Upgrade netgear r6900p_firmware to a higher version than 1.3.1.64,and avoid the version (,1.3.1.64); Upgrade netgear r7000_firmware to a higher version than 1.0.9.60,and avoid the version (,1.0.9.60); Upgrade netgear r7000p_firmware to a higher version than 1.3.1.64,and avoid the version (,1.3.1.64); Upgrade netgear r7100lg_firmware to a higher version than 1.0.0.52,and avoid the version (,1.0.0.52); Upgrade netgear r7300dst_firmware to a higher version than 1.0.0.70,and avoid the version (,1.0.0.70); Upgrade netgear r7900_firmware to a higher version than 1.0.3.8,and avoid the version (,1.0.3.8); Upgrade netgear r7900p_firmware to a higher version than 1.4.1.30,and avoid the version (,1.4.1.30); Upgrade netgear r8000_firmware to a higher version than 1.0.4.28,and avoid the version (,1.0.4.28); Upgrade netgear r8000p_firmware to a higher version than 1.4.1.30,and avoid the version (,1.4.1.30); Upgrade netgear r8300_firmware to a higher version than 1.0.2.128,and avoid the version (,1.0.2.128); Upgrade netgear r8500_firmware to a higher version than 1.0.2.128,and avoid the version (,1.0.2.128); Upgrade netgear wndr3400_firmware to a higher version than 1.0.1.24,and avoid the version (,1.0.1.24); Upgrade netgear wnr3500l_firmware to a higher version than 1.2.0.56,and avoid the version (,1.2.0.56)