CVE-2025-24126
📋 TL;DR
This CVE describes an input validation vulnerability in multiple Apple operating systems that could allow an attacker on the local network to cause system crashes or memory corruption. The vulnerability affects visionOS, iOS, iPadOS, macOS, watchOS, and tvOS. Successful exploitation could lead to denial of service or potential arbitrary code execution.
💻 Affected Systems
- visionOS
- iOS
- iPadOS
- macOS Sequoia
- watchOS
- tvOS
📦 What is this software?
Ipados by Apple
Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Tvos by Apple
Watchos by Apple
⚠️ Risk & Real-World Impact
Worst Case
An attacker could achieve remote code execution with kernel privileges, potentially taking full control of affected devices.
Likely Case
Local network attackers cause system crashes or application termination, resulting in denial of service.
If Mitigated
With proper network segmentation and updated systems, impact is limited to denial of service within isolated network segments.
🎯 Exploit Status
Exploitation requires local network access but no authentication. The CWE-400 (Uncontrolled Resource Consumption) suggests resource exhaustion attacks are possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: visionOS 2.3, iOS 18.3 and iPadOS 18.3, macOS Sequoia 15.3, watchOS 11.3, tvOS 18.3
Vendor Advisory: https://support.apple.com/en-us/122066
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the latest available update. 4. Restart device when prompted.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Apple devices on separate VLANs or network segments to limit attack surface
Disable Unnecessary Network Services
allTurn off unused network services and protocols on affected devices
🧯 If You Can't Patch
- Segment affected devices onto isolated network segments with strict firewall rules
- Implement network monitoring for unusual traffic patterns targeting Apple devices
🔍 How to Verify
Check if Vulnerable:
Check current OS version against affected versions list. Devices running versions earlier than the patched versions are vulnerable.Check Version:
iOS/iPadOS: Settings > General > About > Version. macOS: Apple menu > About This Mac > macOS version. visionOS: Settings > General > About > Software Version.Verify Fix Applied:
Verify OS version matches or exceeds the patched versions listed in the fix information.📡 Detection & Monitoring
Log Indicators:
- Unexpected system crashes
- Kernel panic logs
- Memory corruption errors in system logs
Network Indicators:
- Unusual network traffic patterns to/from Apple devices
- Multiple connection attempts to Apple services from single source
SIEM Query:
source="apple_system_logs" AND (event="kernel_panic" OR event="system_crash" OR message="memory corruption")🔗 References
- https://support.apple.com/en-us/122066
- https://support.apple.com/en-us/122068
- https://support.apple.com/en-us/122071
- https://support.apple.com/en-us/122072
- https://support.apple.com/en-us/122073
- http://seclists.org/fulldisclosure/2025/Jan/12
- http://seclists.org/fulldisclosure/2025/Jan/13
- http://seclists.org/fulldisclosure/2025/Jan/15
- http://seclists.org/fulldisclosure/2025/Jan/19
