CVE:CVE-2020-27866
CNNVD:CNNVD-202102-1092
Netgear NETGEAR WNR2020等都是美国网件（Netgear）公司的产品。NETGEAR WNR2020是一款无线路由器。NETGEAR R6220是一款无线路由器。NETGEAR R6700v2是一款无线路由器。
多款 NETGEAR 路由器中存在授权问题漏洞，该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。以下产品和版本受到影响：NETGEAR R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210, WNR2020, Nighthawk AC2100, and Nighthawk AC2400。
solution:Upgrade netgear ac2100_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear ac2400_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear ac2600_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear r6700_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear r6800_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear r6900_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear r7200_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear r7350_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear r7400_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear r7450_firmware to a higher version than 1.2.0.76,and avoid the version (,1.2.0.76); Upgrade netgear r6220_firmware to a higher version than 1.1.0.104,and avoid the version (,1.1.0.104); Upgrade netgear r6230_firmware to a higher version than 1.1.0.104,and avoid the version (,1.1.0.104); Upgrade netgear r6260_firmware to a higher version than 1.1.0.78,and avoid the version (,1.1.0.78); Upgrade netgear r6330_firmware to a higher version than 1.1.0.78,and avoid the version (,1.1.0.78); Upgrade netgear r6350_firmware to a higher version than 1.1.0.78,and avoid the version (,1.1.0.78); Upgrade netgear r6850_firmware to a higher version than 1.1.0.78,and avoid the version (,1.1.0.78); Upgrade netgear r6120_firmware to a higher version than 1.0.0.76,and avoid the version (,1.0.0.76); Upgrade netgear r6020_firmware to a higher version than 1.0.0.48,and avoid the version (,1.0.0.48); Upgrade netgear r6080_firmware to a higher version than 1.0.0.48,and avoid the version (,1.0.0.48)