CVE-2026-2540
📋 TL;DR
The Micca KE700 vehicle alarm system contains a cryptographic flaw that allows replay attacks. Attackers can capture and replay rolling codes to clone alarm keys, granting unauthorized access to lock/unlock vehicle doors. This affects users of the Micca KE700 system.
💻 Affected Systems
- Micca KE700 Vehicle Alarm System
⚠️ 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
Complete vehicle theft through unauthorized access and potential disabling of security systems.
Likely Case
Unauthorized entry into vehicles, theft of contents, or vehicle relocation without physical damage.
If Mitigated
Limited to nuisance attacks if physical security measures prevent vehicle operation.
🎯 Exploit Status
Attack requires physical proximity to capture codes but execution is straightforward once codes are obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://asrg.io/security-advisories/cve-2026-2540/
Restart Required: No
Instructions:
No official patch available. Contact manufacturer for potential firmware updates.
🔧 Temporary Workarounds
Physical Security Enhancement
allImplement additional physical security measures to compensate for cryptographic vulnerability.
🧯 If You Can't Patch
- Use steering wheel locks or other physical anti-theft devices
- Park in secure, monitored locations with limited physical access
🔍 How to Verify
Check if Vulnerable:
Check if using Micca KE700 system - typically indicated by key fob branding and system documentation.Check Version:
No standard command - check device documentation or contact manufacturer.Verify Fix Applied:
No verification possible without manufacturer firmware update.📡 Detection & Monitoring
Log Indicators:
- Multiple rapid lock/unlock attempts from same key code
Network Indicators:
- RF signal capture/replay detection (requires specialized equipment)
SIEM Query:
Not applicable - physical system without network logging.