CVE-2020-36899: Howfor Qihang Media Web Digital Signage

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file disclosure vulnerability that allows remote attackers to access sensitive files through unverified 'filename' and 'path' parameters. Attackers can exploit the QH.aspx endpoint to read arbitrary files and directory contents without authentication by manipulating download and getAll actions.

Affected products

• Howfor Qihang Media Web Digital Signage: version 3.0.9 only

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