CVE-2026-75168
Received Received - Intake

Authenticated File Write Vulnerability in MBS-Solutions X-Serie Gateway

Publication date: 2026-09-04

Last updated on: 2026-09-04

Assigner: MITRE

Description
An issue in the ugw-editfile method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated user with the low-privileged Standard role to write arbitrary content to files within /uxx/config/ and /ugw/config/.

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Meta Information

Published
2026-09-04
Last Modified
2026-09-04
Generated
2026-09-04
AI Q&A
2026-09-04
EPSS Evaluated
N/A
NVD
CVE-2026-75168
EUVD
EUVD-2026-71445

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mbs-solutions x-serie_gateway 6.00.05

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is in the ugw-editfile method of the /cgi-bin/wwwugw.cgi file in MBS-Solutions X-Serie Gateway firmware version V6_00_05. It allows a remote authenticated user with low-privileged Standard role to write arbitrary content to files in specific directories like /uxx/config/ and /ugw/config/.

Impact Analysis

This vulnerability could allow an attacker to modify critical configuration files on the gateway device. This may lead to unauthorized changes in system behavior, potential disruption of services, or further exploitation of the device.

Mitigation Strategies

Update the MBS-Solutions X-Serie Gateway firmware to a version that patches the ugw-editfile vulnerability in /cgi-bin/wwwugw.cgi. Restrict access to the Standard role users to prevent unauthorized file writes in /uxx/config/ and /ugw/config/.

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