CVE-2025-32456
📋 TL;DR
This vulnerability allows local attackers to execute arbitrary commands on systems using Quantenna Wi-Fi chipsets through command injection in the router_command.sh script. It affects devices running Quantenna SDK versions up to 8.0.0.28. The vulnerability requires local access but no authentication, making it accessible to any user on the system.
💻 Affected Systems
- Quantenna Wi-Fi chipset devices
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing privilege escalation, data theft, and persistent backdoor installation.
Likely Case
Local privilege escalation leading to unauthorized access to sensitive system resources and configuration.
If Mitigated
Limited impact if proper input validation and sandboxing are implemented.
🎯 Exploit Status
Exploitation requires local access but no authentication. Command injection is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://community.onsemi.com/s/article/QCS-Quantenna-Wi-Fi-product-support-and-security-best-practices
Restart Required: No
Instructions:
No official patch available. Follow vendor's best practices guide for implementors.
🔧 Temporary Workarounds
Remove or restrict script execution
linuxRemove execute permissions from router_command.sh or restrict access to authorized users only
chmod -x /path/to/router_command.sh
chmod 600 /path/to/router_command.sh
Implement input validation
allAdd proper input sanitization to the put_file_to_qtn argument handling
Modify script to validate and sanitize all user inputs before processing
🧯 If You Can't Patch
- Implement strict access controls to limit local user access to affected systems
- Monitor for suspicious command execution patterns and implement application whitelisting
🔍 How to Verify
Check if Vulnerable:
Check if router_command.sh exists and has execute permissions. Review script for proper input validation in put_file_to_qtn argument handling.Check Version:
Check Quantenna SDK version through vendor-specific commands or device management interfaceVerify Fix Applied:
Verify script has been modified with proper input sanitization or execute permissions have been removed.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns from router_command.sh
- Suspicious arguments passed to put_file_to_qtn parameter
Network Indicators:
- Local privilege escalation attempts
- Unauthorized system configuration changes
SIEM Query:
process_name="router_command.sh" AND command_args CONTAINS suspicious_patterns