CVE-2025-13707
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code as root on systems running vulnerable versions of Tencent HunyuanDiT. Attackers can exploit this by tricking users into visiting malicious web pages or opening malicious files. The vulnerability affects installations where the HunyuanDiT model_resume function processes untrusted data.
💻 Affected Systems
- Tencent HunyuanDiT
⚠️ 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
Full system compromise with root privileges, allowing complete control over the affected system, data theft, and lateral movement within the network.
Likely Case
Remote code execution with root privileges leading to data exfiltration, installation of backdoors, or ransomware deployment.
If Mitigated
Limited impact if proper network segmentation and least privilege principles are implemented, though root access still poses significant risk.
🎯 Exploit Status
User interaction required (malicious page/file). The vulnerability is documented by ZDI with advisory ZDI-25-1029, suggesting exploit development is likely.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Commit d2cb9cde5c9dc6a6c01735dcb92fe7699ddf6bc5 or later
Vendor Advisory: https://github.com/Tencent-Hunyuan/HunyuanDiT/commit/d2cb9cde5c9dc6a6c01735dcb92fe7699ddf6bc5
Restart Required: Yes
Instructions:
1. Update HunyuanDiT to the latest version from the official GitHub repository. 2. Verify the commit hash includes d2cb9cde5c9dc6a6c01735dcb92fe7699ddf6bc5. 3. Restart any services using HunyuanDiT.
🔧 Temporary Workarounds
Restrict model file sources
allOnly load model files from trusted, verified sources. Implement strict input validation for model_resume function inputs.
Network segmentation
allIsolate HunyuanDiT instances from critical systems and restrict network access to necessary ports only.
🧯 If You Can't Patch
- Implement strict application allowlisting to prevent execution of unauthorized code.
- Deploy runtime application self-protection (RASP) solutions to detect and block deserialization attacks.
🔍 How to Verify
Check if Vulnerable:
Check if your HunyuanDiT installation uses a version prior to commit d2cb9cde5c9dc6a6c01735dcb92fe7699ddf6bc5.Check Version:
git log --oneline -1Verify Fix Applied:
Verify the current commit hash includes d2cb9cde5c9dc6a6c01735dcb92fe7699ddf6bc5 by checking the repository or version information.📡 Detection & Monitoring
Log Indicators:
- Unusual process execution from HunyuanDiT context
- Errors in model_resume function logs
- Unexpected network connections from HunyuanDiT processes
Network Indicators:
- Suspicious outbound connections from HunyuanDiT hosts
- Unusual traffic patterns to/from model file sources
SIEM Query:
process_name:"HunyuanDiT" AND (process_execution:unusual OR network_connection:anomalous)