If you want to “yum install kmod-wireguard” in 2025, then, these are available in 2025.

Thanks fro web.archive.org.

https://ftp.nluug.nl/os/Linux/distr/elrepo/archive/elrepo/el7/x86_64/RPMS/

http://web.archive.org/web/20230524042206if_/https://elrepo.org/linux/elrepo/el7/x86_64/RPMS/kmod-wireguard-1.0.20220627-1.el7_9.elrepo.x86_64.rpm

https://mirrors.opensource.is/elrepo/archive/elrepo/el7/x86_64/RPMS/