CVE-2020-36898

Critical

Description

QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file deletion vulnerability in the QH.aspx endpoint that allows remote attackers to delete files without authentication. Attackers can exploit the 'data' parameter by sending a POST request with file paths to delete arbitrary files with web server permissions using directory traversal sequences.

SeverityCritical

CVSS9.1

Exploit probability—

ProductHowfor Qihang Media Web Digital Signage

PublishedDec 10, 2025

First seenDec 10, 2025

Weakness typeCWE-22Path traversal

How to fix

Vendor advisories

zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php

Affected products

Product	Affected versions	Fixed in
howfor qihang_media_web_digital_signage	3.0.9	—

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