With the recent kernel update this started working for me. Looks like it is using the packaged firmware, not the updated one, which might mean the updated one is not needed for this device.
$ uname -a Linux kermit 3.11.0-13-generic #20-Ubuntu SMP Wed Oct 23 07:38:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux $ lsusb Bus 001 Device 008: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS] [ 65.908605] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw.bin -rw-r--r-- 1 root root 16014 Apr 25 2013 rtl8192cufw.bin -rw-r--r-- 1 root root 16116 Oct 27 15:56 rtl8192cufw_TMSC.bin -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/852190 Title: 7392:7811 Edimax EW-7811Un USB dongle won't connect to networks (rtl8192cu module) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/852190/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs