3Com Router Passwords – Default Login for 3 Com Broadband Modems

Broadband Routers and Network Element manufacturers generally put a feature in their devices, which allows the users to access their devices through the web browser, running on ay computer, which is connected to that device. Generally, it is through a private IP Address like 192.169.1.1, whiche you have to type in your browser’s address bar.

To prevent un-authorized use, the manufacturers also set a default username and passwords in the firmware of their device. You have to enter that login detail so as to access the settingbs page of your device. You are also allowed to change these login details as per your convenience and liking.

In case, a user forgets this changed passwords, which is so common and frequent as these settings are not changes on a frequent basis, then generally he is allowed to reset the settings of the router to the factory default through a hardware reset butting, usually provided on the chassis of the device.

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3Com Router Username Password List

In case you have forgotten the default username and password of your 3Com Router or Broadband device, then here is a complete list of the default login details for some of the most popular models of 3Com. Use the list as per your convenience.

Vendor Model Version Access Type Username PASSWORD Privileges Notes
3COM CoreBuilder 7000/6000/3500/2500 Telnet debug synnet
3COM CoreBuilder 7000/6000/3500/2500 Telnet tech tech
3COM HiPerARC v4.1.x Telnet adm (none)
3COM LANplex 2500 Telnet debug synnet
3COM LANplex 2500 Telnet tech tech
3COM LinkSwitch 2000/2700 Telnet tech tech
3COM NetBuilder SNMP ANYCOM snmp-read
3COM NetBuilder SNMP ILMI snmp-read
3COM Netbuilder Multi admin (none) Admin
3COM Office Connect ISDN Routers 5×0 Telnet n/a PASSWORD Admin
3COM SuperStack II Switch 2200 Telnet debug synnet
3COM SuperStack II Switch 2700 Telnet tech tech
3COM OfficeConnect 812 ADSL Multi adminttd adminttd Admin
3COM Wireless AP ANY Multi admin comcomcom Admin Works on all 3com wireless APs
3COM CellPlex 7000 Telnet tech tech User
3COM cellplex 7000 Telnet admin admin Admin
3com cellplex 7000 Telnet operator (none) Admin
3COM HiPerARC v4.1.x Telnet adm (none) Admin
3com 3Com SuperStack 3 Switch 3300XM Multi security security Admin
3com superstack II 1100/3300 Console 3comcso RIP000 initialize resets all pws to defaults
3COM LANplex 2500 Telnet tech (none) Admin
3COM CellPlex HTTP admin synnet Admin
3com NetBuilder SNMP (none) admin User SNMP_READ
3COM SuperStack II Switch 2700 Telnet tech tech Admin
3COM CellPlex 7000 Telnet root (none) Admin
3COM HiPerACT v4.1.x Telnet admin (none) Admin
3COM CellPlex 7000 Telnet tech (none) Admin
3COM CellPlex 7000 Telnet admin admin Admin
3com CellPlex 7000 Telnet tech tech Admin
3com super Telnet admin (none) Admin
3com cellplex 7000 Multi admin admin Admin RS-232/telnet
3COM SuperStack 3 4XXX Multi admin (none) Admin
3COM SuperStack 3 4XXX Multi monitor monitor User
3COM SuperStack 3 4400-49XX Multi manager manager User can access/change operational setting but not security settings
3com CellPlex 7000 Telnet root (none) Admin
3com Netbuilder Multi admin (none) Admin
3com cellplex 7000 Telnet operator (none) Admin
3com OfficeConnect 812 ADSL 01.50-01 Multi admin (none) Admin
3com cellplex Multi admin admin Admin
3com HiPerACT v4.1.x Telnet admin (none) Admin
3com 3c16405 Multi n/a (none) Admin
3com 3c16405 Console Administrator (none) Admin
3com Switch 3300XM Multi admin admin Admin
3com SS III Switch 4xxx (4900 – sure) Telnet recovery recovery resets_all_to_default u need to power off unit. tbl_
3com OfficeConnect Wireless 11g Cable/DSL Gateway HTTP (none) admin Admin
3COM Netbuilder HTTP Root (none) Admin
3com 3C16405 Multi admin (none) Admin
3COM 3C16450 Multi admin (none) Admin telnet or serial
3COM 3C16406 Multi admin (none) Admin telnet or serial
3com OfficeConnect 812 ADSL 01.50-01 Multi admin (none) Admin
3com cellplex Multi n/a (none) Admin
3com cellplex Multi admin admin Admin
3com HiPerACT v4.1.x Telnet admin (none) Admin
3com 3c16405 Console Administrator (none) Admin
3com CellPlex 7000 Telnet tech (none) Admin
3com Switch 3300XM Multi admin admin Admin
3com SS III Switch 4xxx (4900 – sure) Telnet recovery recovery resets_all_to_default u need to power off unit. tbl_
3com OfficeConnect Wireless 11g Cable/DSL Gateway HTTP (none) admin Admin
3com 3CRADSL72 1.2 Multi (none) 1234admin Admin snmp open by default with public / private community
3com CB9000 / 4007 3 Console Type User: FORCE (none) Admin This will recover a lost password and reset the switch config to Factory Default
3com officeconnect Multi n/a (none) Admin
3Com Internet Firewall 3C16770 HTTP admin password Admin
3com superstack II Netbuilder 11.1 Multi n/a (none) Admin
3COM Office Connect ISDN Routers 5×0 Telnet? n/a PASSWORD Admin

Source: http://www.adslrouter.co.za/default-password/3com.html


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