CVE-2021-22161

In OpenWrt 19.07.x before 19.07.7, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix...

CVE-2021-22161

CVE-2021-22161 affects OpenWrt 19.07.x prior to 19.07.7. When IPv6 is enabled, a routing loop can occur because a router advertisement with a global unique prefix and the on-link flag causes a point-to-point link’s prefix route to misroute traffic back to the upstream router, generating excessive...