| 3COM |
| Model | Default Username | Default Password |
| CoreBuilder 7000/6000/3500/2500 | debug | synnet |
| CoreBuilder 7000/6000/3500/2500 | tech | tech |
| HiPerARC v4.1.x | adm | (none) |
| LANplex 2500 | debug | synnet |
| LANplex 2500 | tech | tech |
| LinkSwitch 2000/2700 | tech | tech |
| NetBuilder | | ILMI |
| Netbuilder | admin | (none) |
| Office Connect ISDN Routers 5x0 | n/a | PASSWORD |
| SuperStack II Switch 2200 | debug | synnet |
| SuperStack II Switch 2700 | tech | tech |
| OfficeConnect 812 ADSL | adminttd | adminttd |
| Wireless AP ANY | admin | comcomcom |
| CellPlex 7000 | tech | tech |
| cellplex 7000 | admin | admin |
| cellplex 7000 | operator | (none) |
| 3Com SuperStack 3 Switch 3300XM | security | security |
| superstack II 1100/3300 | 3comcso | RIP000 |
| LANplex 2500 | tech | (none) |
| CellPlex | admin | synnet |
| NetBuilder | (none) | admin |
| CellPlex 7000 | root | (none) |
| HiPerACT v4.1.x | admin | (none) |
| CellPlex 7000 | tech | (none) |
| super | admin | (none) |
| SuperStack 3 4XXX | admin | (none) |
| SuperStack 3 4XXX | monitor | monitor |
| SuperStack 3 4400-49XX | manager | manager |
| OfficeConnect 812 ADSL 01.50-01 | admin | (none) |
| cellplex | admin | admin |
| 3c16405 | n/a | (none) |
| 3c16405 | Administrator | (none) |
| Switch 3300XM | admin | admin |
| SS III Switch 4xxx (4900 - sure) | recovery | recovery |
| OfficeConnect Wireless 11g Cable/DSL Gateway | (none) | admin |
| Netbuilder | Root | (none) |
| 3C16405 | admin | (none) |
| 3C16450 | admin | (none) |
| 3C16406 | admin | (none) |
| cellplex | n/a | (none) |
| 3CRADSL72 1.2 | (none) | 1234admin |
| CB9000 / 4007 3 | Type User: FORCE | (none) |
| officeconnect | n/a | (none) |
| Internet Firewall 3C16770 | admin | password |
| superstack II Netbuilder 11.1 | n/a | (none) |
| 812 | Administrator | admin |
| CoreBuilder 7000/6000/3500/2500 | n/a | admin |
| CoreBuilder 7000/6000/3500/2500 | n/a | (none) |
| officeconnect | admin | (none) |
| office connect 11g | admin | (none) |
| OfficeConnect ADSL Wireless 11g Firewall Router 3CRWDR100-72 | (none) | admin |
| Shark Fin Comcast-supplied | User | Password |
| LANplex 2500 | n/a | admin |
| 3CRWDR100A-72 2.06 (Sep 21 2005 14:24:48) | admin | 1234admin |
| OfficeConnect 812 ADSL | Administrator | admin |
| 3c510 | NONE | admin |
| 3c855 | NONE | admin |
| 3C857 | NONE | admin |
| 3crwe51196 | NONE | admin |
| 3crwe52196 | NONE | admin |
| 3crwe554G72 | NONE | admin |
| 3CP4130 | admin | 1234 |
| 3cr856-95 | NONE | admin |
| 3cr860-95 | NONE | 1234 |
| 3CRWE754G72 | NONE | admin |
| WL540 | NONE | admin |
| 3CRWE554G72T | admin | admin |
| 3crwe53172 | | admin |
| 3CRWDR100A-72 | NONE | admin |
| 3CRWER100-75 | none | admin |
| 3CRWDR101A-75 | none | admin |
| 3CR858-91 | none | admin |
| 3CRWER200-75 | blank | admin |
| 3CRWDR101E-75 | none | admin |
| WL522 | | admin |