Default 3Com And Cisco Router Password, Restore Factory Settings

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Forgotten your Cisco, Linksys, D-Link, NetGear or 3Com router’s username and password? There are two methods to recover the password and access the router, method number 1 involves resetting the password to factory settings, whereas method number 2 uses the master key to access the router.

Method 1 – Restore Factory Settings

Default Router Password And Restore Factory Settings

As shown in the image above, insert the tip of a pen or a paper clip into the ‘reset’ hole, push the button for 5 seconds or more, make sure the power is on for the router. For confirmation of resetting the router to default settings, you should be able to see all of the router’s LED flashes or blinks, on certain models the router would restart itself.

When you’re done, access the router with the default username and password as stated in your user manual.

Method 2 – Master Key / Password

Every router comes with a master key or password, these set of password enables you to access the router without restoring or losing the settings.

Vendor Model Protocol Username Password
3COMCOREBUILDER Rev. 7000/6000/3500/2500TELNETdebugsynnet
3COMCOREBUILDER Rev. 7000/6000/3500/2500TELNETtechtech
3COMHIPERARC Rev. V4.1.XTELNETadm(none)
3COMLANPLEX Rev. 2500TELNETdebugsynnet
3COMLANPLEX Rev. 2500TELNETtechtech
3COMLINKSWITCH Rev. 2000/2700TELNETtechtech
3COMNETBUILDERSNMPANYCOM
3COMNETBUILDERSNMPILMI
3COMNETBUILDERMULTIadmin(none)
3COMOFFICE CONNECT ISDN ROUTERS Rev. 5X0TELNETn/aPASSWORD
3COMSUPERSTACK II SWITCH Rev. 2200TELNETdebugsynnet
3COMSUPERSTACK II SWITCH Rev. 2700TELNETtechtech
3COMOFFICECONNECT 812 ADSLMULTIadminttdadminttd
3COMWIRELESS AP Rev. ANYMULTIadmincomcomcom
3COMCELLPLEX Rev. 7000TELNETtechtech
3COMCELLPLEX Rev. 7000TELNETadminadmin
3COMHIPERARC Rev. V4.1.XTELNETadm(none)
3COMLANPLEX Rev. 2500TELNETtech(none)
3COMCELLPLEXHTTPadminsynnet
3COMSUPERSTACK II SWITCH Rev. 2700TELNETtechtech
3COMCELLPLEX Rev. 7000TELNETroot(none)
3COMHIPERACT Rev. V4.1.XTELNETadmin(none)
3COMCELLPLEX Rev. 7000TELNETtech(none)
3COMCELLPLEX Rev. 7000TELNETadminadmin
3COMSUPERSTACK 3 Rev. 4XXXMULTIadmin(none)
3COMSUPERSTACK 3 Rev. 4XXXMULTImonitormonitor
3COMSUPERSTACK 3 Rev. 4400-49XXMULTImanagermanager
3COMNETBUILDERHTTPRoot(none)
3COM3C16450MULTIadmin(none)
3COM3C16406MULTIadmin(none)
3COMOFFICE CONNECT ISDN ROUTERS Rev. 5X0TELNET?n/aPASSWORD
3COMCOREBUILDER Rev. 7000/6000/3500/2500TELNETn/aadmin
3COMCOREBUILDER Rev. 7000/6000/3500/2500TELNETn/a(none)
3COMOFFICECONNECT ADSL WIRELESS 11G FIREWALL ROUTER Rev. 3CRWDR100-72HTTP(none)admin
3COMINTERNET FIREWALL Rev. 3C16770HTTPadminpassword
3COMSHARK FIN Rev. COMCAST-SUPPLIEDHTTPUserPassword
3COM812HTTPAdministratoradmin
3COMCELLPLEX Rev. 7000TELNEToperator(none)
3COM3COM SUPERSTACK 3 SWITCH 3300XMMULTIsecuritysecurity
3COMSUPERSTACK II Rev. 1100/3300CONSOLE3comcsoRIP000
3COMNETBUILDERSNMP(none)admin
3COMCELLPLEX Rev. 7000TELNETtechtech
3COMSUPERTELNETadmin(none)
3COMCELLPLEX Rev. 7000MULTIadminadmin
3COMCELLPLEX Rev. 7000TELNETroot(none)
3COMNETBUILDERMULTIadmin(none)
3COMCELLPLEX Rev. 7000TELNEToperator(none)
3COMOFFICECONNECT 812 ADSL Rev. 01.50-01MULTIadmin(none)
3COMCELLPLEXMULTIadminadmin
3COMHIPERACT Rev. V4.1.XTELNETadmin(none)
3COM3C16405MULTIn/a(none)
3COM3C16405CONSOLEAdministrator(none)
3COMSWITCH Rev. 3300XMMULTIadminadmin
3COMSS III SWITCH Rev. 4XXX (4900 – SURE)TELNETrecoveryrecovery
3COMOFFICECONNECT WIRELESS 11G CABLE/DSL GATEWAYHTTP(none)admin
3COM3C16405MULTIadmin(none)
3COMOFFICECONNECT 812 ADSL Rev. 01.50-01MULTIadmin(none)
3COMCELLPLEXMULTIn/a(none)
3COMCELLPLEXMULTIadminadmin
3COMHIPERACT Rev. V4.1.XTELNETadmin(none)
3COM3C16405CONSOLEAdministrator(none)
3COMCELLPLEX Rev. 7000TELNETtech(none)
3COMSWITCH Rev. 3300XMMULTIadminadmin
3COMSS III SWITCH Rev. 4XXX (4900 – SURE)TELNETrecoveryrecovery
3COMOFFICECONNECT WIRELESS 11G CABLE/DSL GATEWAYHTTP(none)admin
3COM3CRADSL72 Rev. 1.2MULTI(none)1234admin
3COMCB9000 / 4007 Rev. 3CONSOLEType User: FORCE(none)
3COMOFFICECONNECTMULTIn/a(none)
3COMSUPERSTACK II NETBUILDER Rev. 11.1MULTIn/a(none)
3COMOFFICECONNECTMULTIadmin(none)
3COMOFFICE CONNECT Rev. 11GMULTIadmin(none)

 

Vendor Model Protocol Username Password
BELKINF5D6130SNMP(none)MiniAP
BELKINF5D7150 Rev. FBMULTIn/aadmin
BELKINF5D8233-4HTTP(blank)(blank)

 

Vendor Model Protocol Username Password
CISCOCACHE ENGINECONSOLEadmindiamond
CISCOCONFIGMAKERcmakercmaker
CISCOCNR Rev. ALLCNR GUIadminchangeme
CISCONETRANGER/SECURE IDSMULTInetrangrattack
CISCOBBSM Rev. 5.0 AND 5.1TELNET OR NAMED PIPESbbsd-clientchangeme2
CISCOBBSD MSDE CLIENT Rev. 5.0 AND 5.1TELNET OR NAMED PIPESbbsd-clientNULL
CISCOBBSM ADMINISTRATOR Rev. 5.0 AND 5.1MULTIAdministratorchangeme
CISCONETRANGER/SECURE IDS Rev. 3.0(5)S17MULTIrootattack
CISCOBBSM MSDE ADMINISTRATOR Rev. 5.0 AND 5.1IP AND NAMED PIPESsa(none)
CISCOCATALYST 4000/5000/6000 Rev. ALLSNMP(none)

public/
private/
secret

CISCOPIX FIREWALLTELNET(none)cisco
CISCOVPN CONCENTRATOR 3000 SERIES Rev. 3MULTIadminadmin
CISCOCONTENT ENGINETELNETadmindefault
CISCOAP1200 Rev. IOSMULTICiscoCisco
CISCOCISCOWORKS 2000guest(none)
CISCOCISCOWORKS 2000admincisco
CISCOCONFIGMAKERcmakercmaker
CISCOCISO AIRONET 1100 SERIES Rev. REV. 01HTTP(none)Cisco
CISCOAIRONETMULTI(none)_Cisco
CISCOAIRONETMULTICiscoCisco
CISCOHSEMULTIrootblender
CISCOHSEMULTIhsahsadb
CISCOWLSEMULTIrootblender
CISCOWLSEMULTIwlsewlsedb
CISCOAIRONET 1200HTTProotCisco
CISCOCVA 122TELNETadminadmin
CISCO3600TELNETAdministratoradmin
CISCO1TELNETadminadmin
CISCO2600TELNETAdministratoradmin
CISCOCISCO ATA-186 (VONAGE)HTTP(blank)(blank)
CISCO3700TELNETciscocisco

7 comments on “Default 3Com And Cisco Router Password, Restore Factory Settings

  1. MANUEL GARCIA QUIROS June 26, 2010 at 8:00 pm - Reply

    VERY USEFULL. THANKS

    • Howling April 10, 2013 at 3:13 pm - Reply

      Port Forward anyone?

    • Wales April 10, 2013 at 3:14 pm - Reply

      How do I restore a 3Com X5 to factory default?

  2. Fay April 10, 2013 at 3:12 pm - Reply

    do you have Password Recovery Procedure for the Cisco 7200 Series Routers?

  3. microsoft April 10, 2013 at 3:13 pm - Reply

    do you happen to have or know the Default Logins and Passwords for 3com routers and network?

    • gameboy April 10, 2013 at 3:14 pm - Reply

      how To reset to factory defaults??!!!

  4. Eric Geier April 10, 2013 at 3:14 pm - Reply

    Forgotten your … Cisco M10 Default Settings, Default Username, Default Password. ?

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