CVE-2025-27029
📋 TL;DR
This vulnerability allows attackers to cause a Denial of Service (DoS) condition by sending specially crafted tone measurement responses that exceed buffer boundaries. It affects Qualcomm chipsets and devices using vulnerable firmware versions. The impact is temporary service disruption until the affected component restarts.
💻 Affected Systems
- Qualcomm chipsets with vulnerable firmware
📦 What is this software?
Immersive Home 3210 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 3210 Platform Firmware →
Immersive Home 326 Platform Firmware by Qualcomm
View all CVEs affecting Immersive Home 326 Platform Firmware →
⚠️ Risk & Real-World Impact
Worst Case
Complete service disruption on affected devices requiring manual reboot or firmware reset, potentially affecting critical communication functions.
Likely Case
Temporary service interruption affecting specific radio/communication functions until automatic recovery mechanisms trigger.
If Mitigated
Minimal impact with proper network segmentation and monitoring; affected components recover automatically.
🎯 Exploit Status
Requires knowledge of tone measurement protocols and ability to send crafted responses to vulnerable components.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions specified in Qualcomm June 2025 security bulletin
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2025-bulletin.html
Restart Required: Yes
Instructions:
1. Check Qualcomm advisory for affected chipset models. 2. Obtain firmware updates from device manufacturer. 3. Apply firmware updates following manufacturer instructions. 4. Reboot affected devices.
🔧 Temporary Workarounds
Network Segmentation
allIsolate devices with vulnerable Qualcomm chipsets from untrusted networks
Protocol Filtering
allImplement network filtering for tone measurement protocol traffic
🧯 If You Can't Patch
- Implement strict network access controls to limit who can communicate with affected devices
- Monitor for abnormal service disruptions and implement rapid response procedures
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against Qualcomm advisory; use manufacturer-specific diagnostic tools to check chipset firmware.Check Version:
Manufacturer-specific commands vary; typically 'getprop' or diagnostic mode commands on Android devices.Verify Fix Applied:
Verify firmware version has been updated to patched version; monitor for service stability.📡 Detection & Monitoring
Log Indicators:
- Unexpected service restarts
- Modem/baseband crash logs
- Radio interface failures
Network Indicators:
- Abnormal tone measurement protocol traffic
- Sudden service disruption patterns
SIEM Query:
Search for 'modem crash', 'baseband failure', or 'radio service restart' events in device logs