CVE-2025-57704
📋 TL;DR
Delta Electronics EIP Builder version 1.11 contains an XML External Entity (XXE) vulnerability that allows attackers to read arbitrary files from the server filesystem. This affects organizations using Delta's EIP Builder software for industrial automation. The vulnerability occurs when the software processes malicious XML input containing external entity references.
💻 Affected Systems
- Delta Electronics EIP Builder
⚠️ 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
Attackers could read sensitive files including configuration files, credentials, or proprietary data from the server, potentially leading to further system compromise.
Likely Case
Information disclosure of server files, potentially exposing configuration data or other sensitive information stored on the system.
If Mitigated
Limited impact with proper network segmentation and file system permissions restricting access to sensitive files.
🎯 Exploit Status
Exploitation requires crafting malicious XML with external entity references and sending it to vulnerable XML parsing components.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.12 or later (refer to vendor advisory)
Restart Required: No
Instructions:
1. Download the latest version from Delta Electronics official website. 2. Install the update following vendor instructions. 3. Verify the installation completes successfully.
🔧 Temporary Workarounds
Disable XML External Entity Processing
allConfigure XML parser to disable external entity resolution if supported by the application
Application-specific configuration - consult Delta documentation
Input Validation and Sanitization
allImplement XML input validation to reject or sanitize XML containing external entity declarations
Implement XML schema validation or entity filtering in application code
🧯 If You Can't Patch
- Network segmentation: Isolate EIP Builder systems from untrusted networks and limit access to necessary users only
- File system hardening: Restrict file permissions on sensitive files and directories that could be accessed via XXE
🔍 How to Verify
Check if Vulnerable:
Check EIP Builder version in application interface or installation directory. Version 1.11 is vulnerable.Check Version:
Check application 'About' dialog or installation propertiesVerify Fix Applied:
Verify installed version is 1.12 or later. Test XML parsing functionality with safe test inputs.📡 Detection & Monitoring
Log Indicators:
- Unusual XML parsing errors
- File access attempts from XML parser process
- Large XML input processing
Network Indicators:
- XML payloads containing external entity declarations (DOCTYPE, SYSTEM, ENTITY)
SIEM Query:
source="eip-builder" AND (message="*XML*error*" OR message="*DOCTYPE*" OR message="*ENTITY*")