CVE:CVE-2019-20719
CNNVD:CNNVD-202004-1303
NETGEAR R6250等都是美国网件（NETGEAR）公司的产品。NETGEAR R6250是一款无线路由器。NETGEAR R6400是一款无线路由器。NETGEAR D6220是一款无线调制解调器。
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 1.0.0.48之前版本；D6400 1.0.0.82之前版本；D7000v2 1.0.0.52之前版本；D8500 1.0.3.43之前版本；R6250 1.0.4.34之前版本；R6400 1.0.1.44之前版本；R6400v2 1.0.2.62之前版本；R7000P 1.4.1.30之前版本；R7100LG 1.0.0.48之前版本；R7300DST 1.0.0.68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。
solution:Upgrade netgear d6220_firmware to a higher version than 1.0.0.48,and avoid the version (,1.0.0.48); Upgrade netgear d6400_firmware to a higher version than 1.0.0.82,and avoid the version (,1.0.0.82); Upgrade netgear d7000_firmware to a higher version than 1.0.0.52,and avoid the version (,1.0.0.52); Upgrade netgear d8500_firmware to a higher version than 1.0.3.43,and avoid the version (,1.0.3.43); Upgrade netgear r6250_firmware to a higher version than 1.0.4.34,and avoid the version (,1.0.4.34); Upgrade netgear r6400_firmware to a higher version than 1.0.1.44,1.0.2.62,and avoid the version (,1.0.1.44),(,1.0.2.62); Upgrade netgear r7000p_firmware to a higher version than 1.4.1.30,and avoid the version (,1.4.1.30); Upgrade netgear r7100lg_firmware to a higher version than 1.0.0.48,and avoid the version (,1.0.0.48); Upgrade netgear r7300dst_firmware to a higher version than 1.0.0.68,and avoid the version (,1.0.0.68); 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)