CVE-2024-10498
📋 TL;DR
This CVE describes a buffer overflow vulnerability in Schneider Electric devices that allows unauthorized attackers to send malicious Modbus write packets to modify configuration values beyond normal ranges. This could corrupt device data or disable web interfaces. Industrial control systems using affected Schneider Electric products are at risk.
💻 Affected Systems
- Specific Schneider Electric products listed in SEVD-2025-014-08
⚠️ 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 loss of device functionality requiring physical reset or replacement, potential manipulation of industrial processes leading to safety incidents or production downtime.
Likely Case
Corruption of configuration data causing device malfunctions, loss of web interface access requiring manual intervention to restore.
If Mitigated
No impact if devices are properly segmented and Modbus traffic is filtered/authenticated.
🎯 Exploit Status
Exploitation requires Modbus protocol knowledge but no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions specified in SEVD-2025-014-08
Vendor Advisory: https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2025-014-08&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-014-08.pdf
Restart Required: Yes
Instructions:
1. Download firmware update from Schneider Electric portal. 2. Follow vendor-specific upgrade procedures. 3. Verify successful update. 4. Restart device.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Modbus devices in separate VLANs with strict firewall rules.
Modbus Traffic Filtering
allConfigure firewalls to block unauthorized Modbus write requests to affected devices.
🧯 If You Can't Patch
- Implement strict network access controls to limit Modbus traffic to trusted sources only.
- Deploy intrusion detection systems to monitor for anomalous Modbus write patterns.
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against advisory and test if unauthorized Modbus write packets can modify configuration beyond normal ranges.Check Version:
Device-specific commands from Schneider Electric documentation.Verify Fix Applied:
Verify firmware version matches patched version in advisory and test that Modbus write packets no longer cause buffer overflows.📡 Detection & Monitoring
Log Indicators:
- Unusual Modbus write requests
- Configuration change logs outside normal operations
- Device restart logs following configuration changes
Network Indicators:
- Modbus Function Code 06/16 write requests from unauthorized sources
- Unusual Modbus traffic patterns to industrial devices
SIEM Query:
source:modbus AND (function_code:06 OR function_code:16) AND NOT src_ip IN [trusted_ips]