Com21 DOXport 1100 series cable modem running firmware 2.1.1.106, and possibly other versions before 2.1.1.108.003, downloads a DOCSIS configuration file from a TFTP server running on the internal network, which allows local users to modify configuration of the modem via a malicious TFTP server.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Doxport_1100 | Com21 | 2.1.1.106 (including) | 2.1.1.106 (including) |