Major bug fixes:

• Patched SMB security vulnerability (CVE-2017-7494).
• Fixed access to snapshots through Windows Previous Versions.
• Fixed disk signature validation on some signed drives and SSDs. 

Using the Download Link below, download and extract the new firmware to a convenient place such as your desktop. The filename after extracting is ReadyDATAOS-V1.4.5.img

Download Link: http://www.downloads.netgear.com/files/GDC/RD5200/ReadyDATAOS-V1.4.5.zip