Tektronix PhaserLink Webserver Vulnerability

Solution:
1. Block Port 80 access to this printer via a router or firewall. This will prevent access to this software from those outside the network. Also, since very rarely will anyone print from outside the local network, setting the default gateway be the same as the IP address will keep outside users from exploiting this service.

2. Disable the PhaserLink Webserver on the printer. This can be accomplished through the control panel, switching the HTTP Protocol to Disabled (Under Printer Configuration | Network Settings | HTTP), but it can also be accomplished via the URL http://printername/ncl_items?SUBJECT=2097, then switch the setting "On" to off.



 

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