High severity · published Dec 23, 2025
CVE-2025-13712
Tencent HunyuanDiT merge Deserialization of Untrusted Data Remote Code Execution Vulnerability
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
Tencent HunyuanDiT merge Deserialization of Untrusted Data Remote Code Execution Vulnerability. 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. Was ZDI-CAN-27190.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HU
HunyuanDiT · Tencent
Current · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13712
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-13712
github.com
https://github.com/Tencent-Hunyuan/HunyuanDiT/commit/d2cb9cde5c9dc6a6c01735dcb92fe7699ddf6bc5
www.zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-25-1028/
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