CVE-2025-48396
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code on Eaton BLSS systems by exploiting improper file upload validation. It affects all Eaton BLSS installations running vulnerable versions. Attackers could gain full control of affected systems.
💻 Affected Systems
- Eaton BLSS
⚠️ 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
Complete system compromise leading to data theft, ransomware deployment, or use as a foothold for lateral movement within the network.
Likely Case
Unauthorized code execution allowing attackers to install backdoors, steal credentials, or disrupt operations.
If Mitigated
Limited impact if proper network segmentation, file upload restrictions, and monitoring are in place.
🎯 Exploit Status
File upload vulnerabilities typically have low exploitation complexity when unauthenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.3.0.SCP004
Vendor Advisory: https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/etn-va-2025-1021.pdf
Restart Required: Yes
Instructions:
1. Download patch from Eaton support portal. 2. Backup current configuration. 3. Apply patch following Eaton documentation. 4. Restart system. 5. Verify patch installation.
🔧 Temporary Workarounds
Restrict File Uploads
allBlock or restrict file upload functionality at network perimeter
Network Segmentation
allIsolate Eaton BLSS systems from internet and restrict internal access
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Deploy web application firewall with file upload filtering rules
🔍 How to Verify
Check if Vulnerable:
Check Eaton BLSS version in system administration interfaceCheck Version:
Check via Eaton BLSS web interface or administrative consoleVerify Fix Applied:
Confirm version shows 7.3.0.SCP004 or later in system information📡 Detection & Monitoring
Log Indicators:
- Unusual file upload attempts
- Executable files in upload directories
- Suspicious process execution
Network Indicators:
- Unexpected outbound connections from Eaton BLSS
- File upload requests to vulnerable endpoints
SIEM Query:
source="eaton_blss" AND (event="file_upload" OR event="execution")