CVE-2025-57840
📋 TL;DR
This CVE describes a privilege bypass vulnerability in Android Debug Bridge (ADB) that could allow unauthorized access to ADB functionality. It affects systems where ADB is enabled and accessible. The low CVSS score indicates limited impact scope.
💻 Affected Systems
- Android Debug Bridge (ADB)
⚠️ 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
Unauthorized users could execute ADB commands with elevated privileges, potentially disrupting device services or accessing restricted functionality.
Likely Case
Limited service disruption or unauthorized access to ADB debugging features on affected devices.
If Mitigated
Minimal impact if ADB is disabled or properly secured with authentication.
🎯 Exploit Status
Privilege bypass vulnerabilities typically require some level of access to the ADB service.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Honor advisory for specific patched versions
Vendor Advisory: https://www.honor.com/global/security/cve-2025-57840
Restart Required: Yes
Instructions:
1. Check Honor advisory for affected devices. 2. Update Android/ADB to latest version. 3. Restart device after update.
🔧 Temporary Workarounds
Disable ADB
allCompletely disable Android Debug Bridge to eliminate attack surface
adb kill-server
Disable USB debugging in Developer Options
Restrict ADB Access
allLimit ADB to authorized devices only using authentication
adb devices (to manage authorized devices)
Configure ADB over network with authentication
🧯 If You Can't Patch
- Disable ADB completely on all production devices
- Implement network segmentation to isolate devices with ADB enabled
🔍 How to Verify
Check if Vulnerable:
Check if ADB is enabled and accessible: 'adb devices' from another systemCheck Version:
adb versionVerify Fix Applied:
Verify ADB version is updated and test privilege escalation attempts📡 Detection & Monitoring
Log Indicators:
- Unauthorized ADB connection attempts
- Unexpected ADB command execution
Network Indicators:
- Unexpected TCP port 5555 traffic
- ADB protocol traffic from unauthorized sources
SIEM Query:
source_port:5555 OR protocol:adb