CVE-2025-41756
Received Received - Intake

Arbitrary File Write via ubr-editfile in wwwubr.cgi Remote Exploit

Publication date: 2026-03-09

Last updated on: 2026-03-11

Assigner: CERT VDE

Description
A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.

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Meta Information

Published
2026-03-09
Last Modified
2026-03-11
Generated
2026-07-06
AI Q&A
2026-03-09
EPSS Evaluated
2026-07-05
NVD
CVE-2025-41756
EUVD
EUVD-2025-208358

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-1242 The device includes chicken bits or undocumented features that can create entry points for unauthorized actors.

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Executive Summary

This vulnerability involves a low-privileged remote attacker exploiting the ubr-editfile method in wwwubr.cgi, which is an undocumented and unused API endpoint. By exploiting this method, the attacker can write arbitrary files on the affected system.

Impact Analysis

The vulnerability allows an attacker to write arbitrary files on the system, which can lead to significant impacts including integrity and availability issues. Specifically, an attacker could modify or add files, potentially disrupting system operations or injecting malicious content.

Compliance Impact

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Detection Guidance

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