AfterDawn: News

iPhone users: Do not join WiFi network named like this - your WiFi wont work after this

Security expert Carl Schou has spotted an interesting bug in Apple's iPhone WiFi connectivity. Joining to a specifically named WiFi network will freeze the phone's entire WiFi connectivity - permanently.

After user joins such network, the WiFi connections freeze completely and not even rebooting the phone will fix the problem. Neither will disabling WiFi and turning it on again. Only solution is to reset all iPhone's network connections completely through iPhone's settings, which will wipe out all the stored WiFi passwords and settings.

After joining my personal WiFi with the SSID "%p%s%s%s%s%n", my iPhone permanently disabled it's WiFi functionality. Neither rebooting nor changing SSID fixes it :~) pic.twitter.com/2eue90JFu3

-- Carl Schou (@vm_call) June 18, 2021

The problem exists also in Apple iPad tablets and behaves similarly. Apple hasn't released a fix to the problem yet.

Written by: Petteri Pyyny @ 20 Jun 2021 6:45

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• 2 comments

• BenjaminDChambers

  If the fix is as easy as "Reset network settings," it's not only not permanent, it's not even a big deal. That's often one of the first things you try when an iPhone has connectivity issues.
  
  

  20.6.2021 09:32 #1

• ryankennedy077

  After resetting all setting
  
  Tap Settings > General > Reset > Reset Network Settings. This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you've used before.
  

  22.6.2021 03:03 #2