If you are a proud owner of an iPhone or iPad, it is advisable to pause your current activities and prioritize an essential update for your device. A recently identified security vulnerability, designated CVE-2025-24201, poses a risk to your personal information by potentially exposing it to malicious actors. Fortunately, Apple has proactively addressed this issue by rolling out iOS 18.3.2 and iPadOS 18.3.2, which effectively mitigate the threat. Here’s a closer look at what this means for you and how to fortify your device against future risks.
What is CVE-2025-24201?
This particular vulnerability is embedded within WebKit, the open-source browser engine that serves as the backbone for Safari, Mail, the App Store, and various other applications on Apple devices. The flaw is characterized as an out-of-bounds write issue, enabling attackers to exploit maliciously crafted web content to circumvent the Web Content sandbox—a critical security layer designed to prevent web content from accessing sensitive system resources. Apple has acknowledged that this vulnerability may have been leveraged in sophisticated attacks targeting specific individuals who were using older versions of iOS prior to 17.2. These attacks are suspected to involve well-funded threat actors, including state-sponsored hackers and advanced cybercriminal organizations.
Why does this matter?
Zero-day vulnerabilities like CVE-2025-24201 are particularly concerning as they can be exploited before developers have the opportunity to issue a patch. In this instance, the attacks were highly targeted, suggesting that the majority of users may not have been directly affected. Nevertheless, these incidents highlight the critical importance of regularly updating your devices to safeguard against the ever-evolving landscape of cyber threats.
Who is affected?
The vulnerability impacts a broad spectrum 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), and iPad mini (5th generation and later).
If you possess any of these devices, it is imperative to update your software without delay.
What is Apple doing about it?
On March 11, 2025, Apple released emergency patches as part of the iOS 18.3.2 and iPadOS 18.3.2 updates. These updates incorporate enhanced checks to prevent unauthorized actions stemming from the vulnerability. This patch serves as a supplementary fix to an earlier attack that was mitigated in iOS 17.2.
How to update your software on iPhone
- Navigate to Settings
- Select General
- Tap on Software Update
- Download and install the latest update
- Your iPhone will restart once the update is complete
How to update your software on iPad
- Open the Settings app on your iPad
- Select General
- Tap on Software Update
- Click Download and Install to initiate the update process
- Enter your passcode if prompted and agree to the terms and conditions
- The update will download and install
- Your iPad will restart once the update is complete
Additional security measures to protect your iPhone and iPad
1. Enable two-factor authentication: Activate two-factor authentication for your Apple ID to enhance your account’s security.
2. Have strong antivirus software: Protect yourself from malicious links that may install malware by utilizing robust antivirus software across all devices.
3. Use a strong passcode: Opt for a strong alphanumeric passcode rather than a simple four-digit PIN.
4. Enable Face ID or Touch ID: Utilize biometric authentication to restrict unauthorized access.
5. Manage app permissions: Regularly review and adjust app permissions to ensure they access only necessary data.
6. Secure lock screen notifications: Limit sensitive information displayed in lock screen notifications.
7. Use Apple’s App Privacy Report: Monitor app behavior and data access through Apple’s App Privacy Report.
8. Download apps from official sources: Only install applications from the Apple App Store to minimize malware risks.
9. Keep your Apple ID secure: Never share your Apple ID or password with anyone.
10. Enable Find My iPhone: Activate this feature to help locate your device if lost or stolen.
11. Invest in a password manager: Consider a password manager for enhanced security beyond iCloud’s keychain.
Kurt’s key takeaways
While it may be tempting to postpone updates, delaying this one could expose you to significant risks. CVE-2025-24201 is a serious threat that has already been utilized in real-world attacks. Even if you don’t consider yourself a high-profile target, it’s prudent to safeguard your personal data. Updating your device is akin to equipping it with a digital suit of armor, and the process takes just a few minutes. Take the time to hit that update button and secure your peace of mind.
