CVE-2024-54082
📋 TL;DR
This vulnerability allows administrative users of Sharp Home 5G HR02 and Wi-Fi STATION SH-54C devices to execute arbitrary operating system commands with root privileges through the configuration restore function. The flaw affects devices with administrative access, potentially enabling complete system compromise.
💻 Affected Systems
- Sharp Home 5G HR02
- Sharp Wi-Fi STATION SH-54C
⚠️ 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
An attacker with administrative access could execute arbitrary OS commands as root, leading to complete device takeover, data exfiltration, lateral movement to connected networks, or persistent backdoor installation.
Likely Case
Malicious administrators or compromised admin accounts could execute commands to modify device settings, intercept network traffic, or install malware on the device.
If Mitigated
With proper access controls limiting administrative privileges to trusted users only, the attack surface is reduced but still presents significant risk from insider threats.
🎯 Exploit Status
Exploitation requires administrative access to the device's management interface. The vulnerability is in the configuration restore function where user input is not properly sanitized before being passed to system commands.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific firmware versions
Vendor Advisory: https://k-tai.sharp.co.jp/support/info/info083.html
Restart Required: Yes
Instructions:
1. Access the device management interface with admin credentials. 2. Check for firmware updates in the system settings. 3. Download and apply the latest firmware from Sharp's official support site. 4. Reboot the device after installation completes.
🔧 Temporary Workarounds
Restrict Administrative Access
allLimit administrative access to only essential, trusted personnel and implement strong authentication mechanisms.
Network Segmentation
allIsolate affected devices on separate network segments to limit potential lateral movement.
🧯 If You Can't Patch
- Implement strict access controls and monitor administrative user activities
- Disable or restrict the configuration restore functionality if possible through device settings
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against the patched versions listed in the vendor advisory. If running older firmware, the device is vulnerable.Check Version:
Check firmware version through device web interface: System Settings > Firmware InformationVerify Fix Applied:
Verify the firmware version has been updated to the patched version specified in the vendor advisory and test that configuration restore functionality properly validates input.📡 Detection & Monitoring
Log Indicators:
- Unusual configuration restore activities
- Multiple failed restore attempts
- Commands executed from restore functionality with unusual parameters
Network Indicators:
- Unexpected outbound connections from the device after configuration changes
- Unusual traffic patterns from administrative interfaces
SIEM Query:
source="device_logs" AND (event="configuration_restore" OR event="system_command") AND (user="admin" OR privilege="root")