CVE-2024-25076
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code on Renesas SmartBond DA1469x devices by exploiting a buffer overflow in the bootrom's Flash Product Header validation. Attackers can control the size value used for QSPI reads, overflowing a fixed buffer. This affects devices using the vulnerable bootrom implementation.
💻 Affected Systems
- Renesas SmartBond DA14691
- Renesas SmartBond DA14695
- Renesas SmartBond DA14697
- Renesas SmartBond DA14699
⚠️ 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 device compromise allowing persistent malicious firmware installation, data theft, and device repurposing for botnets or attacks on connected systems.
Likely Case
Local attackers with physical or logical access can bypass security controls to install unauthorized firmware, potentially disabling security features.
If Mitigated
With proper access controls and monitoring, impact limited to devices with direct attacker access; remote exploitation unlikely without additional vulnerabilities.
🎯 Exploit Status
Exploitation requires physical access or ability to write to device flash; detailed advisory with proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: N/A
Vendor Advisory: https://github.com/atredispartners/advisories/blob/master/ATREDIS-2024-0001.md
Restart Required: No
Instructions:
No official patch available; bootrom is hardware-based. Contact Renesas for hardware replacement or mitigation guidance.
🔧 Temporary Workarounds
Implement Secure Boot Verification
allAdd additional software-based verification of firmware integrity after bootrom completes
Restrict Physical Access
allImplement physical security controls to prevent unauthorized device access
🧯 If You Can't Patch
- Deploy devices in physically secure locations with limited access
- Implement network segmentation to isolate vulnerable devices from critical systems
🔍 How to Verify
Check if Vulnerable:
Check device model number against affected list: DA14691, DA14695, DA14697, DA14699Check Version:
N/A - hardware vulnerabilityVerify Fix Applied:
No fix available; verify mitigation controls are implemented📡 Detection & Monitoring
Log Indicators:
- Unexpected device reboots
- Firmware modification timestamps
- Boot process failures
Network Indicators:
- Unusual device communication patterns
- Unexpected firmware update attempts
SIEM Query:
Device:model IN ('DA14691', 'DA14695', 'DA14697', 'DA14699') AND Event:category='boot' AND Event:status='failure'