CVE-2025-11131
📋 TL;DR
This vulnerability in nr modem software allows remote attackers to cause a system crash through improper input validation, leading to denial of service. It affects systems using Unisoc's nr modem components, potentially impacting mobile devices and IoT equipment. No authentication is required for exploitation.
💻 Affected Systems
- Unisoc nr modem components
📦 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 requiring physical reboot, potentially disrupting critical communications in affected devices.
Likely Case
Temporary denial of service affecting modem functionality until system restart.
If Mitigated
Limited impact with proper network segmentation and input validation controls in place.
🎯 Exploit Status
No authentication required, but specific exploitation details not publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in advisory
Vendor Advisory: https://www.unisoc.com/en/support/announcement/1995394837938163714
Restart Required: Yes
Instructions:
1. Contact Unisoc for specific patch details. 2. Apply firmware update for affected modem components. 3. Reboot affected devices.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected modem components from untrusted networks
Input Validation Filtering
allImplement network-level input validation for modem communications
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to modem interfaces
- Monitor for abnormal modem behavior and system crashes
🔍 How to Verify
Check if Vulnerable:
Check device specifications for Unisoc nr modem components and consult vendor for vulnerability statusCheck Version:
Device-specific; consult manufacturer documentationVerify Fix Applied:
Verify modem firmware version against vendor's patched version list📡 Detection & Monitoring
Log Indicators:
- Unexpected modem resets
- System crash logs mentioning modem components
- Abnormal modem state changes
Network Indicators:
- Unusual traffic patterns to modem interfaces
- Malformed packets targeting modem ports
SIEM Query:
Not applicable without specific log formats