CVE-2025-30515
📋 TL;DR
CVE-2025-30515 is a path traversal vulnerability in CyberData 011209 Intercom systems that allows authenticated attackers to upload arbitrary files to multiple system locations. This could lead to remote code execution, data theft, or system compromise. Organizations using affected CyberData intercom systems are at risk.
💻 Affected Systems
- CyberData 011209 Intercom
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise leading to ransomware deployment, data exfiltration, or use as a pivot point into internal networks.
Likely Case
Malicious file upload leading to web shell installation, credential harvesting, or lateral movement within the network.
If Mitigated
Limited impact with proper network segmentation, file integrity monitoring, and restricted user permissions.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once credentials are obtained. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-155-01
Restart Required: Yes
Instructions:
1. Review CISA advisory ICSA-25-155-01. 2. Contact CyberData for patch availability. 3. Apply vendor-provided firmware update. 4. Restart the intercom system. 5. Verify the update was successful.
🔧 Temporary Workarounds
Network Segmentation
allIsolate intercom systems from critical networks and restrict internet access
Authentication Hardening
allChange default credentials and implement strong authentication policies
🧯 If You Can't Patch
- Implement strict network access controls to limit intercom system exposure
- Enable file integrity monitoring and audit file upload activities
🔍 How to Verify
Check if Vulnerable:
Check system version against vendor advisory. Monitor for unauthorized file upload attempts in logs.Check Version:
Check web interface system information page or vendor documentation for version checkingVerify Fix Applied:
Verify firmware version matches patched version from vendor. Test file upload functionality with path traversal attempts.📡 Detection & Monitoring
Log Indicators:
- Unusual file upload patterns
- Path traversal strings in upload requests
- Multiple failed authentication attempts
Network Indicators:
- Unexpected outbound connections from intercom system
- File uploads to unusual paths
SIEM Query:
source="intercom_logs" AND (event="file_upload" OR event="authentication") AND (path CONTAINS "../" OR user="default")