CVE:CVE-2021-27253
CNNVD:CNNVD-202104-1071
Netgear NETGEAR是美国网件（Netgear）公司的一款路由器。连接两个或多个网络的硬件设备，在网络间起网关的作用。
NETGEAR Nighthawk R7800 存在安全漏洞，该漏洞允许网络邻近攻击者在受影响的设备上执行任意代码。
solution:Upgrade netgear br200_firmware to a higher version than 5.10.0.5,and avoid the version (,5.10.0.5); Upgrade netgear br500_firmware to a higher version than 5.10.0.5,and avoid the version (,5.10.0.5); Upgrade netgear d7800_firmware to a higher version than 1.0.1.60,and avoid the version (,1.0.1.60); Upgrade netgear ex6100v2_firmware to a higher version than 1.0.1.98,and avoid the version (,1.0.1.98); Upgrade netgear ex6150_firmware to a higher version than 1.0.1.98,and avoid the version (,1.0.1.98); Upgrade netgear ex6250_firmware to a higher version than 1.0.0.134,and avoid the version (,1.0.0.134); Upgrade netgear ex6400_firmware to a higher version than 1.0.2.158,and avoid the version (,1.0.2.158); Upgrade netgear ex6400v2_firmware to a higher version than 1.0.0.134,and avoid the version (,1.0.0.134); Upgrade netgear ex6410_firmware to a higher version than 1.0.0.134,and avoid the version (,1.0.0.134); Upgrade netgear ex6420_firmware to a higher version than 1.0.0.134,and avoid the version (,1.0.0.134); Upgrade netgear ex7300_firmware to a higher version than 1.0.2.158,and avoid the version (,1.0.2.158); Upgrade netgear ex7300v2_firmware to a higher version than 1.0.0.134,and avoid the version (,1.0.0.134); Upgrade netgear ex7320_firmware to a higher version than 1.0.0.134,and avoid the version (,1.0.0.134); Upgrade netgear ex7700_firmware to a higher version than 1.0.0.216,and avoid the version (,1.0.0.216); Upgrade netgear ex8000_firmware to a higher version than 1.0.1.232,and avoid the version (,1.0.1.232); Upgrade netgear lbr20_firmware to a higher version than 2.6.3.50,and avoid the version (,2.6.3.50); Upgrade netgear r7800_firmware to a higher version than 1.0.2.80,and avoid the version (,1.0.2.80); Upgrade netgear r8900_firmware to a higher version than 1.0.5.28,and avoid the version (,1.0.5.28); Upgrade netgear r9000_firmware to a higher version than 1.0.5.28,and avoid the version (,1.0.5.28); Upgrade netgear rbk12_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbk13_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbk14_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbk15_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbk20_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbk23_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbk40_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbk43_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbk43s_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbk44_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbk50_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbk53_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbr10_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbr20_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbr40_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbr50_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbs10_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbs20_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbs40_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear rbs50_firmware to a higher version than 2.7.2.104,and avoid the version (,2.7.2.104); Upgrade netgear rbs50y_firmware to a higher version than 2.6.2.104,and avoid the version (,2.6.2.104); Upgrade netgear xr450_firmware to a higher version than 2.3.2.114,and avoid the version (,2.3.2.114); Upgrade netgear xr500_firmware to a higher version than 2.3.2.114,and avoid the version (,2.3.2.114); Upgrade netgear xr700_firmware to a higher version than 1.0.1.38,and avoid the version (,1.0.1.38)