What’s Vulnerable › Vulnerabilities

CVE-2020-36898: QiHang Media Web Digital Signage 3.0.9 Unauthenticated Arbitrary File Deletion

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-10 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• Shenzhen Xingmeng Qihang Media Co., Ltd. Guangzhou Hefeng Automation Technology Co., Ltd. QiHang Media Web Digital Signa: 3.0.9

References

• http://www.howfor.com
• https://www.exploit-db.com/exploits/48749
• https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-arbitrary-file-deletion
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php

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