Advisory Details

December 1st, 2025

Tencent MedicalNet generate_model Deserialization of Untrusted Data Remote Code Execution Vulnerability

ZDI-25-1031
ZDI-CAN-27192

CVE ID CVE-2025-13714
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Tencent
AFFECTED PRODUCTS MedicalNet
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Tencent MedicalNet. 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 generate_model function. 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.

ADDITIONAL DETAILS Tencent has issued an update to correct this vulnerability. More details can be found at:
https://github.com/Tencent/MedicalNet/commit/1679f7ced8fd3e9ce1acc3b86cd840b5abdaa836
DISCLOSURE TIMELINE
  • 2025-05-22 - Vulnerability reported to vendor
  • 2025-12-01 - Coordinated public release of advisory
  • 2025-12-01 - Advisory Updated
CREDIT Peter Girnus (@gothburz) of Trend Zero Day Initiative
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