CVE-2025-26445
📋 TL;DR
This vulnerability allows local attackers to access sensitive network connectivity data without proper permissions. It affects Android devices running vulnerable versions of the ConnectivityService. No user interaction is required for exploitation.
💻 Affected Systems
- Android
📦 What is this software?
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
An attacker with local access could extract network configuration details, connection states, or other connectivity-related sensitive information that should be protected by permissions.
Likely Case
Malicious apps could gather network information about the device without user consent, potentially enabling further attacks or privacy violations.
If Mitigated
With proper app sandboxing and security updates, the risk is limited to apps that have already bypassed some security controls.
🎯 Exploit Status
Exploitation requires local access to the device. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Android security patch level June 2025 or later
Vendor Advisory: https://source.android.com/security/bulletin/2025-06-01
Restart Required: No
Instructions:
1. Check for Android system updates in Settings > System > System update. 2. Apply the June 2025 security patch or later. 3. Verify the patch level in Settings > About phone > Android version.
🔧 Temporary Workarounds
Restrict app permissions
allReview and restrict network-related permissions for untrusted applications
🧯 If You Can't Patch
- Implement strict app vetting and only install applications from trusted sources
- Use mobile device management (MDM) solutions to enforce security policies and monitor for suspicious behavior
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android version. If patch level is before June 2025, the device may be vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify the security patch level shows June 2025 or later in Settings > About phone > Android version.📡 Detection & Monitoring
Log Indicators:
- Unusual connectivity service access attempts, permission denial logs for network-related operations
Network Indicators:
- No network indicators as this is a local vulnerability
SIEM Query:
Look for connectivity service access patterns from untrusted applications or permission violation logs