Since TP-Link has archived this model, the official support page is the only safe source. Avoid third-party "driver update" websites which often bundle malware with old firmware.
Fixes older vulnerabilities (though not modern ones). tp-link wr340g v5 firmware download
Upgrading the firmware on the TL-WR340G is a manual process. Follow these steps exactly to avoid a system failure: 1. Prepare the Connection Since TP-Link has archived this model, the official
Peter Den Hartog - Blog