ZDI-25-1028: Tencent HunyuanDiT merge Deserialization of Untrusted Data Remote Code Execution Vulnerability

Published Dec 1, 2025
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tencent HunyuanDiT. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the merge endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of root.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tencent HunyuanDiT. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-13712.

ZDI

Affected Software

2 affected components
Tencent HunyuanDiT
Tencent HunyuanDiT

Event History

Dec 1, 2025
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
Dec 23, 2025
Advisory Published
via ZDI·09:44 PM
Data Sourced
via ZDI·09:44 PM
SeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of ZDI-25-1028?

ZDI-25-1028 has a high severity rating due to its potential for remote code execution.

2

How do I fix ZDI-25-1028?

To mitigate ZDI-25-1028, users should update to the latest version of Tencent HunyuanDiT as provided by the vendor.

3

What type of attacks can be performed using ZDI-25-1028?

ZDI-25-1028 allows remote attackers to execute arbitrary code after the user visits a malicious page or opens a harmful file.

4

What software is affected by ZDI-25-1028?

ZDI-25-1028 specifically affects installations of Tencent HunyuanDiT.

5

Is user interaction required to exploit ZDI-25-1028?

Yes, user interaction is required to exploit ZDI-25-1028, as the user must visit a malicious page or open a malicious file.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203