Support for EX2 Vulnerabilities?

Its along time that no pach has been released for WD EX2 models

According to recent update for EX2 Ultra and recent news there many Vulnerabilities for these devices and here is one of them:

I hope WD fix the Vulnerabilities soon and continue supporting for EX2 models

I hope so. too.

Well actually it is not been a long time. 2.30.174 was relesed 11-28-2017.

The question is, is one safe using this latest version.