CVE:CVE-2021-3128
CNNVD:CNNVD-202104-652
ASUS RT-AX3000等都是中国华硕（ASUS）公司的产品。ASUS RT-AX3000是一个路由器。ASUS ZenWiFi AX是一个WIFI系统。ASUS RT-AX88U是一个无线路由器。
多款ASUS路由器存在安全漏洞，该漏洞源于使用IPv6时，可能会发生路由环路，从而产生过多的网络受影响的设备与其上游ISP路由器之间的流量。以下产品及版本受到影响：ASUS RT-AX3000、ASUS ZenWiFi AX（XT8）、ASUS RT-AX88U、其他固件小于3.0.0.4.386.42095或小于9.0.0.4.386.41994的ASUS路由器。
solution:Upgrade asus zenwifi_ax_(xt8)_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ax3000_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ax55_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ax56u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ax58u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ax68u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ax82u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ax86u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ax88u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac66u_b1_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac1750_b1_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac1900_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac1900p_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac1900u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac2900_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac3100_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac5300_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac58u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac65u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac68p_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac68r_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac68rw_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac68u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac68w_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac85u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac86u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994); Upgrade asus rt-ac88u_firmware to a higher version than 3.0.0.4.386.42095,9.0.0.4.386.41994,and avoid the version (,3.0.0.4.386.42095),(,9.0.0.4.386.41994)