CVE-2026-75164
Received Received - Intake

Arbitrary File Read in MBS-Solutions X-Serie Gateway

Publication date: 2026-09-04

Last updated on: 2026-09-04

Assigner: MITRE

Description
An arbitrary file read vulnerability in /cgi-bin/ugwdownload.cgi of MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated user with the low-privileged Standard role to retrieve arbitrary files from the device filesystem via the file query string parameter.

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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-2026-75164
EUVD
EUVD-2026-71450

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mbs-solutions x-serie_gateway 6.0.5

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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 an arbitrary file read issue in the MBS-Solutions X-Serie Gateway firmware version V6_00_05. It exists in the /cgi-bin/ugwdownload.cgi component and allows a remote attacker with low-privileged Standard role access to read arbitrary files from the device's filesystem by manipulating the file query string parameter.

Detection Guidance

To detect this vulnerability, check for unauthorized access to /cgi-bin/ugwdownload.cgi with the file parameter. Monitor logs for requests to this endpoint with suspicious file paths like /etc/passwd or /etc/shadow. Use network scanning tools to identify active connections to this CGI endpoint.

Impact Analysis

This vulnerability could allow an attacker to access sensitive files on the gateway device, potentially exposing confidential information such as configuration files, credentials, or other sensitive data stored on the system.

Mitigation Strategies

Immediately restrict access to /cgi-bin/ugwdownload.cgi by updating firewall rules. Remove or disable the ugwdownload.cgi endpoint if possible. Apply firmware updates from MBS-Solutions if available. Ensure only high-privileged users can access administrative functions.

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