Yeah plenty of those on ebay. e.g.
There’s also DIP8 25Q128FV so I’m holding off buying anything until I find an SMT -> DIP8 socket. I’ll look up SMT soldering how-to guides or even videos on the weekend before rushing to buy anything though… Something tells me my 20yr old hand-down soldering iron’s tip is too big… 
Edit: Looks like there’s not enough clearance between the other components so an fitting an ad-hoc adapter won’t be trivial:
10 raisers:
https://www.ebay.com/itm/10pcs-DIP8-to-SOP8-Adapter-SOIC8-socket-pcb-1-27mm-converter-300mil/172364932537
20 sockets:
10 pcbs & pins:
https://www.ebay.com/itm/10pcs-SOP8-SO8-SOIC8-SOT-to-DIP8-adapter-PCB-convertor-with-2-54mm-pin-header/270921187869
5/10 W25Q128FV:
So, solder the bioses to the dip8 pcbs along with pins permanently “converting” them to DIP8 packages. Then solder the raiser soic8 to dip8 adapter with a dip8 socket. And then solder that to the router’s board… It will work but it’s quite the BOM, package size and labor. I’ll probably give up and just solder the bios to board but I’ll leave the “instructions” here for posterity 