Vulnerability · Published Dec 23, 2025 · Assigned by zdi

CVE-2025-13712Tencent HunyuanDiT merge Deserialization of Untrusted Data Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity unsafe deserialization in HunyuanDiT from Tencent. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.0)7.8High

Exploit odds (30 days)0.5%top 56.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Tencent	HunyuanDiT	Current

Weakness: CWE-502 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ZDI-25-1028 x_research-advisory
vendor-provided URL vendor-advisory