CVE-2025-4737
📋 TL;DR
This vulnerability in the Transsion AIVoiceAssistant mobile app allows attackers to access sensitive information due to insufficient encryption. It affects users of Tecno mobile devices running the vulnerable app version. The risk involves potential leakage of personal data stored or processed by the voice assistant.
💻 Affected Systems
- Transsion AIVoiceAssistant mobile application
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could intercept and decrypt sensitive user data including voice recordings, personal information, authentication tokens, or device identifiers, leading to privacy violations and potential account compromise.
Likely Case
Local attackers with physical or network access could extract stored sensitive data from the app's local storage or intercept weakly encrypted communications.
If Mitigated
With proper network segmentation and device security controls, the attack surface is reduced to local device access only.
🎯 Exploit Status
Exploitation likely requires local device access or network interception capabilities. No public exploit code has been disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in references
Vendor Advisory: https://security.tecno.com/SRC/securityUpdates
Restart Required: Yes
Instructions:
1. Check for app updates in Google Play Store or device settings. 2. Update AIVoiceAssistant to latest version. 3. Restart device after update. 4. Verify update through app version check.
🔧 Temporary Workarounds
Disable AIVoiceAssistant
androidTemporarily disable the vulnerable application until patched
adb shell pm disable-user com.transsion.aivoiceassistant
Restrict network access
allBlock app network communications to prevent data exfiltration
Use firewall to block com.transsion.aivoiceassistant network access
🧯 If You Can't Patch
- Isolate affected devices on restricted network segments
- Implement mobile device management (MDM) policies to control app permissions and data access
🔍 How to Verify
Check if Vulnerable:
Check app version in device settings > Apps > AIVoiceAssistant. Compare with latest version from vendor advisory.Check Version:
adb shell dumpsys package com.transsion.aivoiceassistant | grep versionNameVerify Fix Applied:
Verify app has been updated to latest version and check vendor advisory for fixed version information.📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns to app data directories
- Failed encryption/decryption operations in app logs
Network Indicators:
- Unencrypted or weakly encrypted traffic from com.transsion.aivoiceassistant
- Unexpected data exfiltration from voice assistant app
SIEM Query:
source="android_logs" app="com.transsion.aivoiceassistant" (event="FILE_ACCESS" OR event="CRYPTO_ERROR")