Apple has just rolled out the iOS 10.3.1 incremental bug-fix update for iOS 10.3, which brings the Wi-Fi vulnerability fix for iPhone, iPad and iPod Touch along with backward compatibility for 32-bit devices like iPhone 5 and 5c. According to the official changelog, the new iOS update (build number 14E304) fixes a backdoor exploit that could let any hacker within the device's Wi-Fi range to execute arbitrary code on its network chip.
The Wi-Fi bug-fix update now incorporates improved input validation to address a stack buffer overflow, which will prevent backdoor access to all iOS devices running iOS 10.3.1. Gal Beniamini of Google's Project Zero takes the credit for his initiative in finding this vulnerability.
The latest iOS 10.3.1 update is now available for download on iPhone 5 and later, fourth-generation iPad and later as well as the sixth-generation iPod Touch and later devices. Interested users may go ahead and download the new firmware manually, using the direct download links posted below:
iOS 10.3.1 IPSW Direct Download Links
Also, check out the full details pertaining to the security patch included in the latest Apple update as revealed on the official support portal.