We the Fedora Respins-SIG are happy to announce new F25-20170718 Updated Lives. (with Kernel 4.11.8-200).
This will be the Final Set of updated isos for Fedora 25. We are converting our builders to start providing Updated Fedora 26 isos in the near future.
With F25 we are now using Livemedia-creator to build the updated lives.
To build your own please look at https://fedoraproject.org/wiki/Livemedia-creator-_How_to_create_and_use_a_Live_CD
With this new build of F25 Updated Lives will save you about 850 M of updates after install.