Apple has released an urgent security update for iOS and iPadOS, addressing a serious vulnerability that could expose devices to unauthorized access. The update, iOS 18.3.1 and iPadOS 18.3.1, patches a flaw known as CVE-2025-24200, which was discovered by Bill Marczak of The Citizen Lab.
![Apple products arranged neatly: MacBook, iPad, iPhone, Apple Watch, AirPods, mouse, keyboard, and remote on a white surface.](https://static.wixstatic.com/media/b470fc_7bd961ec3c7049e6b8c6293e43e3c969~mv2.jpg/v1/fill/w_800,h_533,al_c,q_85,enc_avif,quality_auto/b470fc_7bd961ec3c7049e6b8c6293e43e3c969~mv2.jpg)
Image: Pexels/Florian Doppler
This vulnerability allows attackers with physical access to bypass USB Restricted Mode, a security feature designed to prevent unauthorized data connections on locked devices.
Security experts warn that this flaw has already been exploited in highly targeted attacks, making the update essential for all iPhone and iPad users. Apple has urged device owners to install the update immediately to prevent potential security breaches.
Affected Apple Devices
The vulnerability impacts a range of Apple devices, including:
iPhone XS and later
iPad Pro 13-inch
iPad Pro 12.9-inch 3rd generation and later
iPad Pro 11-inch 1st generation and later
iPad Air 3rd generation and later
iPad 7th generation and later
iPad mini 5th generation and later
How to Install the Apple iOS and iPadOS 18.3.1 Update
![Close-up of a smartphone screen displaying iOS 18.3.1 update. Text details the update size (637.5 MB) and importance for security fixes.](https://static.wixstatic.com/media/b470fc_0a40d0c7dbff4c9b8428cdbef20a6b27~mv2.jpg/v1/fill/w_800,h_451,al_c,q_85,enc_avif,quality_auto/b470fc_0a40d0c7dbff4c9b8428cdbef20a6b27~mv2.jpg)
Image: HT Tech/Shaurya Sharma
To update your iPhone or iPad, users should follow these steps:
Connect to Wi-Fi and ensure a stable connection.
Open the Settings app.
Navigate to General > Software Update.
Follow the on-screen instructions to install iOS 18.3.1 or iPadOS 18.3.1.
With reports confirming that this vulnerability has been actively exploited, Apple users are strongly encouraged to update their devices as soon as possible to safeguard their personal data.
Find out more here!