CVE-2025-61614
📋 TL;DR
This vulnerability in nr modem allows remote attackers to cause a system crash through improper input validation, leading to denial of service without requiring any privileges. It affects systems using vulnerable nr modem implementations, potentially impacting telecommunications infrastructure and connected devices.
💻 Affected Systems
- Unisoc nr modem implementations
📦 What is this software?
Android by Google
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash leading to sustained denial of service, potentially affecting critical telecommunications services and causing widespread connectivity disruption.
Likely Case
Temporary system instability or crashes requiring manual intervention to restore service, impacting availability of affected devices or services.
If Mitigated
Limited impact through network segmentation and input filtering, with quick recovery possible through automated restart mechanisms.
🎯 Exploit Status
Exploitation appears straightforward due to improper input validation, but specific exploit details are not publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in reference
Vendor Advisory: https://www.unisoc.com/en/support/announcement/2030931350138310657
Restart Required: Yes
Instructions:
1. Check vendor advisory for affected products. 2. Obtain updated firmware from vendor. 3. Apply firmware update following vendor instructions. 4. Restart affected systems.
🔧 Temporary Workarounds
Network segmentation
allIsolate affected systems from untrusted networks to reduce attack surface
Input filtering
allImplement network-level filtering of malformed packets targeting nr modem interfaces
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted sources only
- Deploy monitoring and alerting for system crashes or abnormal nr modem behavior
🔍 How to Verify
Check if Vulnerable:
Check system firmware version against vendor advisory and verify if using affected nr modem implementationCheck Version:
Vendor-specific command; consult system documentation for firmware version checkVerify Fix Applied:
Confirm firmware version has been updated to patched version specified by vendor📡 Detection & Monitoring
Log Indicators:
- Unexpected system crashes
- nr modem service failures
- Kernel panic logs related to modem
Network Indicators:
- Unusual traffic patterns targeting modem ports
- Malformed packets to modem interfaces
SIEM Query:
Search for system crash events or service failures related to modem/nr services within specific time windows