First article: Second Article with the documentation of the minimally improved 'encryption' after the firmware update: Unfortunately, these articles have never been brought to the north american and british editions.
See FAQ 4 here: There are two articles in the german Linux Magazin describing the insecure protocol used for accessing and configuring these switches. Netgear ProSafe PLUS GSE, 8x 10//Mbps (GSEPES) How to run Netgear ProSafe Utility on MacOS.ProSAFE Plus Configuration Utility v2.2.36.