CVE-2024-8893
📋 TL;DR
The GoodWe GW1500-XS inverter contains hard-coded Wi-Fi credentials that allow anyone within physical proximity to connect to the device's Wi-Fi network and access its web interface. This affects all GW1500-XS inverters running firmware version 1.1.2.1, potentially exposing configuration and operational data to unauthorized local actors.
💻 Affected Systems
- GoodWe GW1500-XS inverter
⚠️ 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 could reconfigure the inverter settings, disrupt power generation, access sensitive operational data, or use the device as a network pivot point to attack other connected systems.
Likely Case
Unauthorized users accessing the web interface to view operational data, modify settings, or cause minor disruptions to solar power generation.
If Mitigated
Limited impact if physical access controls prevent unauthorized personnel from approaching the device location.
🎯 Exploit Status
Exploitation requires being within Wi-Fi range of the device and knowledge of the hard-coded credentials. No authentication bypass needed once connected to Wi-Fi.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Contact GoodWe Technologies for updated firmware
Vendor Advisory: https://os-s.net/publications/advisories/CVE-2024-8893.pdf
Restart Required: No
Instructions:
1. Contact GoodWe Technologies support for updated firmware. 2. Download the firmware update. 3. Access the web interface. 4. Navigate to firmware update section. 5. Upload and apply the new firmware.
🔧 Temporary Workarounds
Disable Wi-Fi interface
allTurn off the Wi-Fi functionality if not required for operations
Access web interface > Settings > Network > Disable Wi-Fi
Physical access controls
allRestrict physical access to device location to prevent unauthorized proximity
🧯 If You Can't Patch
- Implement strict physical security controls around inverter installation locations
- Monitor for unauthorized Wi-Fi connections to the device network
🔍 How to Verify
Check if Vulnerable:
Check firmware version in web interface: Settings > System Information. If version is 1.1.2.1, device is vulnerable.Check Version:
Access web interface and navigate to System Information pageVerify Fix Applied:
After firmware update, verify version is no longer 1.1.2.1 and attempt to connect to Wi-Fi with default credentials should fail.📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts on web interface
- Configuration changes from unknown IP addresses
Network Indicators:
- Unauthorized devices connecting to inverter's Wi-Fi network
- Unexpected network traffic from inverter IP
SIEM Query:
source="inverter_logs" AND (event="config_change" OR event="auth_failure")