Disclaimer: Product names, model numbers, and firmware versions are used for informational purposes. Always consult your device’s official documentation before performing any upgrade. The author is not responsible for bricked devices or voided warranties.
Click on the , System , or Tools tab in the top or side navigation menu (the layout varies slightly by hardware revision). Look for the Firmware Upgrade or System Update option. Step 4: Extract and Upload the File D 39-link Dwr-m920 Firmware
Firmware version 4.2.1 for the D 39-Link DWR-M920 significantly improves security, boot speed, and VPN performance while addressing a critical remote execution vulnerability. Administrators managing fleets of these devices in industrial or retail environments should upgrade immediately. Future releases (planned Q3 2026) will add Zero Trust Network Access (ZTNA) agent support. Click on the , System , or Tools
Ensure you extracted the .bin or .img file from the downloaded .zip archive. Double-check that the downloaded file matches your exact hardware revision (e.g., do not flash Hardware v2.0 firmware onto a Hardware v1.0 device). 3. Slower Speeds Post-Update Click on the
There are two primary ways to update your D-Link router: the automatic method (via the router interface) or the manual method (using a downloaded file). Method 1: Automatic Update (Recommended)
Before you begin the upgrade process, take a moment to ensure you have everything ready. Being prepared will help prevent any interruptions or errors.