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Vulnerability record · CVE-2020-36897 · published 10 December 2025

CVE-2020-36897: Howfor qihang media web digital signage unrestricted file upload vulnerability

Howfor · Qihang Media Web Digital Signage

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.

9.3 CVSS 4.0 Critical EPSS 1.3% · top 30.8% CWE-434 · Unrestricted file upload
9.3CVSS 4.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 3 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.howfor.com Product
https://www.exploit-db.com/exploits/48751 ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-remote-code-execution Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5582.php ExploitThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5582.php ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-36897), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.