CVE-2020-36897 CRITICAL

CVE-2020-36897: QiHang Media Web Digital Signage 3.0.9 Unauthenticated Remote Code Execution

Vendor Shenzhen Xingmeng Qihang Media Co., Ltd. Guangzhou Hefeng Automation Technology Co., Ltd.
Product QiHang Media Web Digital Signage
Weakness CWE-434 · Unrestricted file upload
Published December 10, 2025
Last update December 11, 2025

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated remote code execution vulnerability in the QH.aspx file that allows attackers to upload malicious ASPX scripts. Attackers can exploit the file upload functionality by using the 'remotePath' and 'fileToUpload' parameters to write and execute arbitrary system commands on the server.

Key dates

02Disclosure timeline

December 10, 2025 CVE published
December 11, 2025 Record updated