CVE-2025-41765
Received Received - Intake
Unauthorized File Upload via wwwupload.cgi Endpoint Enables Remote Exploitation

Publication date: 2026-03-09

Last updated on: 2026-03-11

Assigner: CERT VDE

Description
Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupload.cgi endpoint to upload and apply arbitrary data. This includes, but is not limited to, contact images, HTTPS certificates, system backups for restoration, server peer configurations, and BACnet/SC server certificates and keys.
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Meta Information
Published
2026-03-09
Last Modified
2026-03-11
Generated
2026-06-16
AI Q&A
2026-03-09
EPSS Evaluated
2026-06-15
NVD
CVE-2025-41765
EUVD
EUVD-2025-208376
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
mbs-solutions universal_bacnet_router_firmware to 6.0.1.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
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Executive Summary

This vulnerability arises from insufficient authorization enforcement in the wwwupload.cgi endpoint. It allows an unauthorized remote attacker to upload and apply arbitrary data to the system.

  • The attacker can upload various types of data including contact images, HTTPS certificates, system backups for restoration, server peer configurations, and BACnet/SC server certificates and keys.
Impact Analysis

The vulnerability can have severe impacts because it allows an attacker to modify critical system components without authorization.

  • An attacker could upload malicious HTTPS certificates, potentially enabling man-in-the-middle attacks.
  • Uploading system backups or server configurations could lead to system compromise or unauthorized restoration of altered states.
  • Compromise of BACnet/SC server certificates and keys could affect industrial control systems security.

Overall, the vulnerability can lead to high integrity and availability impacts on the affected system.

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Detection Guidance

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