Zero One Tech (ZOT) P100s PrintServer and SNMP

[Clinton Smith <security () esales iinet net au>]

Background:

The ZOT P100s is a hardware printserver device
allowing sharing of a parallel printer on a standard
UTP network.

It has embedded telnet, http (among others) and provides
information via SNMP with default community read string.
(have not tried write yet).

Problem:

After connecting to the device and disabling SNMP,
and setting the public string to non-standard, 
it appears that the device is still accessible.

* verified with SNMPWALK - which enumerates loads
of useful information.

Has anyone had any experience with this product?

Is this a bug?, or something else?


Regards,
Clinton