CVE-2021-30800 is an unspecified vulnerability impacting Apple iOS versions 14.6 and iPadOS versions 14.6 and earlier. A proof of concept (PoC) was observed in open source and a walk-through demo of a PoC was shared via Twitter.
PoC Links(if available):
Twitter: WiFiDemon PoC information –
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
Known Counter Measures:
Apple addressed the vulnerability in a security advisory with updated versions.
Links to patches(if available)