DW Technical Bulletin
To: DW Customers
Date: June 26, 2025
Re: VMAX IP G4 Firmware 1.5.6.1
VMAX IP G4 Firmware Update 1.5.6.1
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Affected Model: DW-VG494P | VG4128P | VG41616P
New Firmware Version: 1.5.6.1
Previous Software Version: 1.5.5.7
Release Date: June 26, 2025
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New Firmware Notes
- Updated lighttpd web server to address security vulnerabilities. Version upgrade v1.4.61 > v1.4.75.
- Resolved minor system issues and improved overall system stability and performance.
- Performance and stability enhancements for SmartWebViewer. Updated to v1.2.5.17 for improved cloud connectivity.
- Added new feature for WEB FTP upgrade support. Improved “Check” button behavior and confirmation message.
Firmware File Download
Special Instructions/Comments
It is recommended to refresh your web browser after updating the recorder firmware.
- Refresh web browser using hotkeys CTRL + F5.
- Delete browser cookies through the browser settings.
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Rev: 06/25 Copyright © DW. All rights reserved. Specifications and pricing subject to change without notice. 
