Fastd Project Fastd vulnerabilities

CVE-2025-24356 [HIGH] CWE-405 CVE-2025-24356: fastd is a VPN daemon which tunnels IP packets and Ethernet frames over UDP. When receiving a data p fastd is a VPN daemon which tunnels IP packets and Ethernet frames over UDP. When receiving a data packet from an unknown IP address/port combination, fastd will assume that one of its connected peers has moved to a new address and initiate a reconnect by sending a handshake packet. This "fast reconnect" avoids having to wait for a session timeout (up

CVE-2020-27638 [HIGH] CWE-617 CVE-2020-27638: receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets wi receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code.