CVE:CVE-2021-27239
CNNVD:CNNVD-202103-1618
Netgear NETGEAR R6400和NETGEAR R6700都是美国网件（Netgear）公司的一款无线路由器。
NETGEAR R6400 and R6700 firmware version 1.0.4.98 routers存在安全漏洞，攻击者可利用该漏洞在由器上执行任意代码，利用此漏洞不需要身份验证。
solution:Upgrade netgear d6220_firmware to a higher version than 1.0.0.68,and avoid the version (,1.0.0.68); Upgrade netgear d6400_firmware to a higher version than 1.0.0.102,and avoid the version (,1.0.0.102); Upgrade netgear d7000_firmware to a higher version than 1.0.0.66,and avoid the version (,1.0.0.66); Upgrade netgear d8500_firmware to a higher version than 1.0.3.60,and avoid the version (,1.0.3.60); Upgrade netgear dc112a_firmware to a higher version than 1.0.0.54,and avoid the version (,1.0.0.54); Upgrade netgear ex7000_firmware to a higher version than 1.0.1.94,and avoid the version (,1.0.1.94); Upgrade netgear ex7500_firmware to a higher version than 1.0.0.72,and avoid the version (,1.0.0.72); Upgrade netgear r6250_firmware to a higher version than 1.0.4.48,and avoid the version (,1.0.4.48); Upgrade netgear r6300_firmware to a higher version than 1.0.4.50,and avoid the version (,1.0.4.50); Upgrade netgear r6400_firmware to a higher version than 1.0.1.68,1.0.4.102,and avoid the version (,1.0.1.68),(,1.0.4.102); Upgrade netgear r6700_firmware to a higher version than 1.0.4.102,and avoid the version (,1.0.4.102); Upgrade netgear r6900p_firmware to a higher version than 1.3.2.132,and avoid the version (,1.3.2.132); Upgrade netgear r7000_firmware to a higher version than 1.0.11.116,and avoid the version (,1.0.11.116); Upgrade netgear r7000p_firmware to a higher version than 1.3.2.132,and avoid the version (,1.3.2.132); Upgrade netgear r7100lg_firmware to a higher version than 1.0.0.64,and avoid the version (,1.0.0.64); Upgrade netgear r7850_firmware to a higher version than 1.0.5.68,and avoid the version (,1.0.5.68); Upgrade netgear r7900_firmware to a higher version than 1.0.4.38,and avoid the version (,1.0.4.38); Upgrade netgear r7900p_firmware to a higher version than 1.4.1.68,and avoid the version (,1.4.1.68); Upgrade netgear r7960p_firmware to a higher version than 1.4.1.68,and avoid the version (,1.4.1.68); Upgrade netgear r8000_firmware to a higher version than 1.0.4.68,and avoid the version (,1.0.4.68); Upgrade netgear r8000p_firmware to a higher version than 1.4.1.68,and avoid the version (,1.4.1.68); Upgrade netgear r8300_firmware to a higher version than 1.0.2.144,and avoid the version (,1.0.2.144); Upgrade netgear r8500_firmware to a higher version than 1.0.2.144,and avoid the version (,1.0.2.144); Upgrade netgear rax200_firmware to a higher version than 1.0.2.88,and avoid the version (,1.0.2.88); Upgrade netgear rax75_firmware to a higher version than 1.0.3.102,and avoid the version (,1.0.3.102); Upgrade netgear rax80_firmware to a higher version than 1.0.3.102,and avoid the version (,1.0.3.102); Upgrade netgear rbr750_firmware to a higher version than 3.2.17.12,and avoid the version (,3.2.17.12); Upgrade netgear rbr850_firmware to a higher version than 3.2.17.12,and avoid the version (,3.2.17.12); Upgrade netgear rbs40v_firmware to a higher version than 2.6.2.4,and avoid the version (,2.6.2.4); Upgrade netgear rbs750_firmware to a higher version than 3.2.17.12,and avoid the version (,3.2.17.12); Upgrade netgear rbs850_firmware to a higher version than 3.2.17.12,and avoid the version (,3.2.17.12); Upgrade netgear rs400_firmware to a higher version than 1.5.0.68,and avoid the version (,1.5.0.68]; Upgrade netgear wndr3400_firmware to a higher version than 1.0.1.38,and avoid the version (,1.0.1.38); Upgrade netgear wnr3500l_firmware to a higher version than 1.2.0.66,and avoid the version (,1.2.0.66); Upgrade netgear xr300_firmware to a higher version than 1.0.3.56,and avoid the version (,1.0.3.56)