Stay safe out there.
I know many of us are still running the trusty old RV042 dual-WAN router in home labs or for legacy VPN links, despite Cisco officially ending support for the Small Business RV0xx series years ago. cisco rv042 firmware
I recently had to rebuild one and ran into the usual headache of finding the correct firmware without a support contract. Here is the current state of play for anyone else hunting for it. Stay safe out there