CVE-2025-63433
📋 TL;DR
The Xtooltech Xtool AnyScan Android application uses hardcoded cryptographic keys to decrypt update metadata, allowing attackers who intercept network traffic to manipulate update manifests and redirect devices to download malicious packages. This affects all users of Xtool AnyScan Android app version 4.40.40 and earlier. The vulnerability enables potential remote code execution on affected devices.
💻 Affected Systems
- Xtooltech Xtool AnyScan Android Application
📦 What is this software?
Xtool Anyscan by Xtooltech
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution on Android devices, potentially compromising connected vehicles or phones, leading to data theft, surveillance, or vehicle system manipulation.
Likely Case
Attackers intercepting app update traffic could deliver malware or malicious updates to devices, potentially gaining control over the application or device.
If Mitigated
With proper network segmentation and monitoring, impact is limited to potential application compromise without broader system access.
🎯 Exploit Status
Exploitation requires network interception capability (MITM position). The hardcoded keys are publicly documented in the CVE references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check Google Play Store for app updates. 2. If update available, install immediately. 3. If no update available, consider uninstalling the app until vendor releases patch.
🔧 Temporary Workarounds
Disable App Network Access
androidPrevent the app from accessing the internet to block update checks and potential malicious downloads.
Use VPN with Certificate Pinning
androidRoute all app traffic through a VPN with certificate pinning to prevent MITM attacks.
🧯 If You Can't Patch
- Uninstall the Xtool AnyScan application immediately.
- Use network monitoring to detect suspicious update traffic from the app.
🔍 How to Verify
Check if Vulnerable:
Check app version in Android Settings > Apps > Xtool AnyScan. If version is 4.40.40 or lower, you are vulnerable.Check Version:
adb shell dumpsys package com.xtooltech.xtool | grep versionNameVerify Fix Applied:
Verify app version is higher than 4.40.40. Check vendor release notes for mention of CVE-2025-63433 fix.📡 Detection & Monitoring
Log Indicators:
- Unusual update download patterns
- Update downloads from non-vendor domains
- App crashes after update attempts
Network Indicators:
- HTTP/HTTPS traffic to non-standard update servers
- Unencrypted update manifest downloads
- Large downloads from suspicious domains
SIEM Query:
source="android_logs" app="Xtool AnyScan" (event="update_download" OR event="package_install") dest_ip!=vendor_domain