D-Link North America explicitly recommends that all EOL/EOS devices be retired and replaced. If you choose to continue using the DSL-124 despite this advisory, D-Link urges you to implement these compensating controls:

Save the resulting configuration file securely onto your computer. Step 4: Flash the New Firmware

Navigate to the maintenance menu. Depending on your current firmware interface, look for , Maintenance , or System in the top or side navigation bars. Click on Firmware Update or Firmware Upgrade . Click the Browse or Choose File button.

The keyword implies that you are looking for the official, stable, and latest release—not a beta or third-party mod.

Go to the Maintenance tab in your router settings to download a backup of your configuration in case you need to reset the router after the update. Step 3: Update the Firmware

The router will upload the file and apply the update. This may take a few minutes. DO NOT turn off the router or disconnect the cables. Restart: The router will restart automatically. 4. Troubleshooting and Post-Update Tips

Attackers can exploit these vulnerabilities to access your network without authorization, potentially exposing sensitive information or taking control of your router.

Follow these exact steps to install the new firmware:

. Wireless connections are prone to signal drops that can corrupt the firmware during installation. Backup Your Settings