CVE-2025-27593
📋 TL;DR
CVE-2025-27593 allows attackers to distribute malicious code via SDD Device Drivers due to missing download verification checks, leading to remote code execution on affected systems. This primarily impacts SICK DL100 devices used in industrial control systems. Attackers can compromise these devices to gain control over industrial processes.
💻 Affected Systems
- SICK DL100
⚠️ 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 compromise of industrial control systems leading to physical damage, production shutdowns, or safety incidents through malicious code execution on critical devices.
Likely Case
Attackers gain remote code execution on DL100 devices to disrupt operations, steal data, or pivot to other industrial network systems.
If Mitigated
Limited impact with proper network segmentation and verification controls preventing malicious driver installation.
🎯 Exploit Status
Exploitation requires network access to device but no authentication. Attack vector is through malicious SDD driver upload.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware version 1.0.2.14
Vendor Advisory: https://sick.com/psirt
Restart Required: Yes
Instructions:
1. Download firmware 1.0.2.14 from SICK customer portal. 2. Backup current configuration. 3. Upload new firmware via web interface. 4. Restart device. 5. Verify firmware version.
🔧 Temporary Workarounds
Disable SDD Driver Downloads
allPrevent unauthorized driver installations by disabling SDD download functionality
Network Segmentation
allIsolate DL100 devices in separate VLAN with strict firewall rules
🧯 If You Can't Patch
- Implement strict network access controls allowing only authorized management systems to communicate with DL100 devices
- Deploy network monitoring to detect unusual driver download attempts or unexpected device behavior
🔍 How to Verify
Check if Vulnerable:
Check firmware version via web interface or serial console. Versions below 1.0.2.14 are vulnerable.Check Version:
Connect to device web interface and navigate to System > Information to view firmware versionVerify Fix Applied:
Confirm firmware version is 1.0.2.14 or higher in device web interface under System Information.📡 Detection & Monitoring
Log Indicators:
- Unexpected SDD driver download events
- Firmware modification attempts
- Unauthorized configuration changes
Network Indicators:
- Unusual traffic to DL100 management ports (80/443)
- Driver download requests from unexpected sources
SIEM Query:
source="dl100" AND (event="driver_download" OR event="firmware_update")🔗 References
- https://cdn.sick.com/media/docs/1/11/411/Special_information_CYBERSECURITY_BY_SICK_en_IM0084411.PDF
- https://github.security.telekom.com/2025/03/multiple-vulnerabilities-in-sick-dl100.html
- https://sick.com/psirt
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
- https://www.first.org/cvss/calculator/3.1
- https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0004.json
- https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0004.pdf
