CVE-2025-1058
📋 TL;DR
This vulnerability allows attackers to upload malicious firmware to affected Schneider Electric devices without integrity verification, potentially rendering them inoperable. It affects industrial control systems and building management devices that use vulnerable firmware update mechanisms. Organizations using Schneider Electric products with this firmware update flaw are at risk.
💻 Affected Systems
- Schneider Electric industrial control systems
- Schneider Electric building management systems
⚠️ 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 device bricking leading to operational shutdown, safety system failures, and potential physical damage in industrial environments.
Likely Case
Device malfunction or denial of service requiring physical replacement or factory reset, causing operational downtime.
If Mitigated
Failed firmware update attempts with proper logging, no operational impact if integrity checks are enforced.
🎯 Exploit Status
Requires ability to upload firmware to device, which typically requires some level of network access to update endpoints.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Schneider Electric security advisory SEVD-2025-042-01
Vendor Advisory: https://download.schneider-electric.com/files?p_Doc_Ref=sevd-2025-042-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-042-01.pdf
Restart Required: No
Instructions:
1. Download firmware update from Schneider Electric portal. 2. Apply update following vendor documentation. 3. Verify firmware integrity after update. 4. Test device functionality.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices in separate network segments with strict firewall rules
Disable Remote Firmware Updates
allDisable network-based firmware update functionality if not required
🧯 If You Can't Patch
- Implement strict network access controls to firmware update endpoints
- Enable firmware integrity verification if supported by device
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against Schneider Electric advisory. Review if firmware updates lack integrity checking.Check Version:
Device-specific command; typically via web interface or CLI command like 'show version' or 'firmware --version'Verify Fix Applied:
Verify firmware version matches patched version in advisory. Test firmware update process with integrity checking enabled.📡 Detection & Monitoring
Log Indicators:
- Unexpected firmware update attempts
- Failed firmware validation events
- Device reboot events after firmware upload
Network Indicators:
- Unusual traffic to firmware update ports (typically HTTP/HTTPS on specific ports)
- Large file transfers to device management interfaces
SIEM Query:
source="device_logs" AND (event_type="firmware_update" OR event_type="system_reboot") AND result="failure"