Take note of the full version number and, crucially, the . If the build date is older than 12–18 months, an update is highly recommended.
: Versions prior to 1.00.27 (for the CG3000T) and 1.00.67 (for the CG3000TC) contained hard-coded root credentials in clear text, allowing remote attackers to execute commands with full privileges. kaon cg3000 firmware update
If you are experiencing performance issues or believe your firmware is outdated, the best course of action is to contact your ISP's technical support—such as iiNet Support or your local provider—and ask them to remotely push the latest available version to your device. Take note of the full version number and, crucially, the