Tencent HunyuanDiT merge deserialization

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Tencent HunyuanDiT. Affected by this issue is the function merge. This manipulation causes deserialization. This vulnerability is tracked as CVE-2025-13712. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in Tencent HunyuanDiT (affected version unknown). Affected by this vulnerability is the function merge. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2025-13712. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch d2cb9cde5c9dc6a6c01735dcb92fe7699ddf6bc5 is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: d2cb9cde5c9dc6a6c01735dcb92fe7699ddf6bc5

Timelineinfo

12/02/2025 Advisory disclosed
12/02/2025 +0 days VulDB entry created
12/24/2025 +22 days VulDB entry last update

Sourcesinfo

Advisory: ZDI-25-1028
Status: Confirmed

CVE: CVE-2025-13712 (🔒)
GCVE (CVE): GCVE-0-2025-13712
GCVE (VulDB): GCVE-100-334027

Entryinfo

Created: 12/02/2025 09:03
Updated: 12/24/2025 13:19
Changes: 12/02/2025 09:03 (53), 12/24/2025 13:19 (13)
Complete: 🔍
Cache ID: 216::103

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