CVE-2025-61113
📋 TL;DR
The TalkTalk 3.3.6 Android app contains improper access control vulnerabilities in multiple API endpoints. Attackers can modify request parameters to access sensitive user information (device identifiers, birthdays) and private group data including join credentials. This affects all users of the vulnerable TalkTalk Android app version.
💻 Affected Systems
- TalkTalk Android App
⚠️ 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
Mass privacy breach exposing personal user data and unauthorized access to private groups, potentially enabling account takeover or social engineering attacks.
Likely Case
Targeted attackers harvesting user information for profiling or gaining unauthorized access to private group content.
If Mitigated
Limited exposure if proper API authentication and authorization controls are implemented.
🎯 Exploit Status
Exploitation requires modifying API request parameters but appears straightforward based on the vulnerability description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None provided in references
Restart Required: No
Instructions:
1. Check Google Play Store for TalkTalk app updates
2. Update to the latest version if available
3. Uninstall the app if no patch is available
🔧 Temporary Workarounds
Uninstall vulnerable app
androidRemove the TalkTalk 3.3.6 app from Android devices
adb uninstall com.talktalk.app
🧯 If You Can't Patch
- Restrict network access to TalkTalk API endpoints using firewall rules
- Monitor for unusual API requests to TalkTalk endpoints
🔍 How to Verify
Check if Vulnerable:
Check Android app version in Settings > Apps > TalkTalk > App info
Check Version:
adb shell dumpsys package com.talktalk.app | grep versionName
Verify Fix Applied:
Verify app version is higher than 3.3.6 or app is uninstalled
📡 Detection & Monitoring
Log Indicators:
- Unusual API parameter modifications
- Access to sensitive endpoints without proper authentication
Network Indicators:
- Abnormal request patterns to TalkTalk API endpoints
- Parameter tampering in API calls
SIEM Query:
source="android_apps" app="TalkTalk" (event="api_call" AND (parameter_modification="true" OR auth_status="failed"))