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3COM DEFAULT ROUTER PASSWORDS

Find all passwords for your 3Com router here. Router passwords make it easy to find your default router password – see the table below, find your model, and your user name and password are next to your model number.

Manufacturer Model Protocol Username Password
3COM COREBUILDER TELNET debug synnet
3COM COREBUILDER TELNET tech tech
3COM HIPERARC TELNET adm (none)
3COM LANPLEX TELNET debug synnet
3COM LANPLEX TELNET tech tech
3COM LINKSWITCH TELNET tech tech
3COM NETBUILDER SNMP ANYCOM
3COM NETBUILDER SNMP ILMI
3COM NETBUILDER MULTI admin (none)
3COM OFFICE CONNECT ISDN ROUTERS TELNET n/a PASSWORD
3COM SUPERSTACK II SWITCH TELNET debug synnet
3COM SUPERSTACK II SWITCH TELNET tech tech
3COM OFFICECONNECT 812 ADSL MULTI adminttd adminttd
3COM WIRELESS AP MULTI admin comcomcom
3COM CELLPLEX TELNET tech tech
3COM CELLPLEX TELNET admin admin
3COM HIPERARC TELNET adm (none)
3COM LANPLEX TELNET tech (none)
3COM CELLPLEX HTTP admin synnet
3COM SUPERSTACK II SWITCH TELNET tech tech
3COM CELLPLEX TELNET root (none)
3COM HIPERACT TELNET admin (none)
3COM CELLPLEX TELNET tech (none)
3COM CELLPLEX TELNET admin admin
3COM SUPERSTACK 3 MULTI admin (none)
3COM SUPERSTACK 3 MULTI monitor monitor
3COM SUPERSTACK 3 MULTI manager manager
3COM NETBUILDER HTTP Root (none)
3COM 3C16450 MULTI admin (none)
3COM 3C16406 MULTI admin (none)
3COM OFFICE CONNECT ISDN ROUTERS TELNET? n/a PASSWORD
3COM COREBUILDER TELNET n/a admin
3COM COREBUILDER TELNET n/a (none)
3COM OFFICECONNECT ADSL WIRELESS 11G FIREWALL ROUTER HTTP (none) admin
3COM INTERNET FIREWALL HTTP admin password
3COM SHARK FIN HTTP User Password
3COM 812 HTTP Administrator admin
3COM CELLPLEX TELNET operator (none)
3COM 3COM SUPERSTACK 3 SWITCH 3300XM MULTI security security
3COM SUPERSTACK II CONSOLE 3comcso RIP000
3COM NETBUILDER SNMP (none) admin
3COM CELLPLEX TELNET tech tech
3COM SUPER TELNET admin (none)
3COM CELLPLEX MULTI admin admin
3COM CELLPLEX TELNET root (none)
3COM NETBUILDER MULTI admin (none)
3COM CELLPLEX TELNET operator (none)
3COM OFFICECONNECT 812 ADSL MULTI admin (none)
3COM CELLPLEX MULTI admin admin
3COM HIPERACT TELNET admin (none)
3COM 3C16405 MULTI n/a (none)
3COM 3C16405 CONSOLE Administrator (none)
3COM SWITCH MULTI admin admin
3COM SS III SWITCH TELNET recovery recovery
3COM OFFICECONNECT WIRELESS 11G CABLE/DSL GATEWAY HTTP (none) admin
3COM 3C16405 MULTI admin (none)
3COM OFFICECONNECT 812 ADSL MULTI admin (none)
3COM CELLPLEX MULTI n/a (none)
3COM CELLPLEX MULTI admin admin
3COM HIPERACT TELNET admin (none)
3COM 3C16405 CONSOLE Administrator (none)
3COM CELLPLEX TELNET tech (none)
3COM SWITCH MULTI admin admin
3COM SS III SWITCH TELNET recovery recovery
3COM OFFICECONNECT WIRELESS 11G CABLE/DSL GATEWAY HTTP (none) admin
3COM 3CRADSL72 MULTI (none) 1234admin
3COM CB9000 / 4007 CONSOLE Type User: FORCE (none)
3COM OFFICECONNECT MULTI n/a (none)
3COM SUPERSTACK II NETBUILDER MULTI n/a (none)
3COM OFFICECONNECT MULTI admin (none)
3COM OFFICE CONNECT MULTI admin (none)

If you can’t find the exact model of the router you’re looking for, try a password from an alternative model from the same manufacturer. Vendors often use the same or similar passwords on different models.