CVE-2025-59819
📋 TL;DR
This vulnerability allows authenticated attackers to read arbitrary files on the system by manipulating a filepath parameter to access internal system paths. It affects Zenitel AlphaCom systems running version 13.02. Attackers with valid credentials can exploit this to access sensitive files.
💻 Affected Systems
- Zenitel AlphaCom
⚠️ 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 system files including configuration files, credentials, or proprietary data, potentially leading to full system compromise.
Likely Case
Authenticated users could read configuration files or other sensitive data they shouldn't have access to, violating confidentiality.
If Mitigated
With proper access controls and monitoring, impact is limited to unauthorized file reads by authenticated users.
🎯 Exploit Status
Exploitation requires authenticated access and involves manipulating filepath parameters. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version
Vendor Advisory: https://www.zenitel.com/sites/default/files/2025-12/A100K12333%20Zenitel%20Security%20Advisory.pdf
Restart Required: Yes
Instructions:
1. Review Zenitel security advisory. 2. Apply the recommended patch/update from Zenitel. 3. Restart the AlphaCom system. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Restrict Access Controls
allImplement strict access controls to limit which users can access file manipulation features
Input Validation
allImplement server-side validation to restrict filepath parameters to allowed directories
🧯 If You Can't Patch
- Implement strict network segmentation to isolate AlphaCom systems from untrusted networks
- Enforce principle of least privilege for all user accounts and monitor for suspicious file access patterns
🔍 How to Verify
Check if Vulnerable:
Check if running Zenitel AlphaCom version 13.02. Review system logs for unauthorized file access attempts.Check Version:
Check system administration interface or consult Zenitel documentation for version checkingVerify Fix Applied:
Verify system version is updated beyond vulnerable version. Test filepath parameter manipulation to confirm restrictions are in place.📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns
- Multiple failed file access attempts
- Access to system files by non-admin users
Network Indicators:
- Unusual file read requests to AlphaCom system
- Patterns of filepath parameter manipulation
SIEM Query:
source="alphacom" AND (filepath CONTAINS ".." OR filepath CONTAINS "/etc" OR filepath CONTAINS "/var")