CVE-2025-48599

7.8 HIGH

📋 TL;DR

This vulnerability allows local attackers to bypass device configuration restrictions in Android's WiFi settings due to missing permission checks. It enables local privilege escalation without requiring user interaction or additional execution privileges. Affects Android devices with vulnerable versions of the Settings app.

💻 Affected Systems

Products:
  • Android Settings app
Versions: Android versions prior to December 2025 security patch
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: Affects devices where the Settings app has the vulnerable WifiScanModeActivity code. Requires local access to the device.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attacker gains elevated system privileges, potentially accessing sensitive device data, modifying system settings, or installing malicious apps without user consent.

🟠

Likely Case

Local attacker bypasses WiFi restrictions to access protected network configurations or modify device settings they shouldn't have access to.

🟢

If Mitigated

With proper permission checks, only authorized users can modify WiFi scan settings as intended by device policy.

🌐 Internet-Facing: LOW - This is a local privilege escalation requiring physical or local access to the device.
🏢 Internal Only: HIGH - Malicious apps or users with local access can exploit this to bypass security restrictions.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires local access but no user interaction. The vulnerability is in the Settings app's permission validation logic.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: December 2025 Android Security Patch or later

Vendor Advisory: https://source.android.com/security/bulletin/2025-12-01

Restart Required: Yes

Instructions:

1. Check for Android system updates in Settings > System > System update. 2. Install December 2025 security patch or later. 3. Reboot device after installation.

🔧 Temporary Workarounds

Disable Settings app modifications

android

Use Android Device Policy or MDM to restrict Settings app access for untrusted users

🧯 If You Can't Patch

  • Restrict physical access to devices and implement application whitelisting
  • Monitor for suspicious Settings app activity or privilege escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check Android security patch level in Settings > About phone > Android version. If before December 2025, device is vulnerable.

Check Version:

adb shell getprop ro.build.version.security_patch

Verify Fix Applied:

Verify Android security patch level shows December 2025 or later in Settings > About phone > Android version.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to WifiScanModeActivity
  • Permission denial logs for Settings app
  • Unexpected privilege escalation events

Network Indicators:

  • None - this is a local vulnerability

SIEM Query:

source="android_logs" AND (activity="WifiScanModeActivity" OR app="com.android.settings") AND event_type="permission_violation"

🔗 References

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