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Serious security flaw in firmware v3.03.9 for WRT54G

Discussion in 'Cisco/Linksys Wireless Routers' started by trippel, Jul 9, 2005.

  1. trippel

    trippel Network Guru Member

    Im using WRT54G with v3.03.9 firmware, on the client side im using the wmp54G with driver version 2.2.7.0.

    Since I was having problems with WPA ( just kept disconnecting ), I switched over to 128 bit WEP in deep frustration. Now heres the funny thing...

    I set the passphrase in the router to : ihoivburvbtiwepo
    and when setting the password on the client, i accidently set it to something completely different.

    ...and the client STILL connected to the router. Checking into it further, it seems the ruter accepts any connections using WEP ( any passphrase ). Can this be an issue that some credentials are cached on my computer, or is this a serious bug in the ruter firmware?
     
  2. jagboy

    jagboy Network Guru Member

    maybe you should try a computer to connect to the router using wep. anbd see if you can connect now
     
  3. trippel

    trippel Network Guru Member

    I you mean I should test it with another computer, I cant. I have only this one with wireless capabilities. But I dont see how it can be cause of cached credentials.... because when I change the passphrase on the router, whatever I had cached on my computer should be null and void.

    But it looks like the router accepts any passphrase I use on the client.

    Can anyone else confirm the same problem?
     

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