Release Date:
November 21, 2025.

New Features and Enhancements:

• Support for the UI Dark Theme option.
• Increase of the password length to 64 characters.
• Replacement of all TFTP methods with HTTP to improve reliability.

Bug Fixes:

• Fixes the issue where you cannot remove tagged VLANs from a port, resulting in an error message.
• Fixes the issue where spelling and grammatical typos appear on the Firmware Update Confirmation page.
• Fixes the issue where the context help descriptions were incorrect for VLAN Interface, IPv6 Address, and Relay Interfaces settings under the DHCPv6 Relay Page.

Known Issues:

• If you enable L2 loop protection for a port (see Security > L2 Loop Protection), after a loop is detected, the ports that are part of the loop are shut down.

Download Link:  https://www.downloads.netgear.com/files/GDC/S3600_Switch/XS508TM_XS516TM_XS724TM_firmware_V7.8.11.20.zip 

Firmware Update Instructions:

To update your product’s firmware, follow the instructions in your product’s user manual. To find your user manual, visit https://www.netgear.com/support/, enter your model number in the search box, and click the Documentation button on the product page.