CVE:CVE-2019-20740
CNNVD:CNNVD-202004-1351
NETGEAR DGN2200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 DGN2200v4 1.0.0.110之前版本；DGND2200Bv4 1.0.0.109之前版本；R7300 1.0.0.70之前版本；R8300 1.0.2.130之前版本；R8500 1.0.2.130之前版本。
solution: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 r7300_firmware to a higher version than 1.0.0.70,and avoid the version (,1.0.0.70); Upgrade netgear r8300_firmware to a higher version than 1.0.2.130,and avoid the version (,1.0.2.130); Upgrade netgear r8500_firmware to a higher version than 1.0.2.130,and avoid the version (,1.0.2.130)