CVE-2020-36897: Howfor Qihang Media Web Digital Signage

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

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.

Affected products

• Howfor Qihang Media Web Digital Signage: version 3.0.9 only

Published 2025-12-10. Last modified 2026-06-17.