---
id: CVE-2026-82775
title: >-
  An exposure of information through directory listing issue exists in CONPROSYS
  M2M Gateway Series and CONPROSYS M2M Controller Series
summary: >-
  An exposure of information through directory listing issue exists in CONPROSYS
  M2M Gateway Series and CONPROSYS M2M Controller Series. Accessing a specific
  URL on this product may allow a remote unauthenticated attacker to obtain the
  dir…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-548
vendor: 'Contec Co., Ltd.'
product: M2M Gateway Integrated Type CPS-MG341*
affected:
  - m2m_gateway_integrated_type_cps-mg341 < 4.1.0
  - m2m_gateway_configurable_type_cps-mgs341 < 4.1.0
  - m2m_controller_integrated_type_cps-mc341 < 4.1.0
  - m2m_controller_configurable_type_cps-mcs341 < 4.1.0
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:27:25.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82775'
references:
  - url: 'https://jvn.jp/en/vu/JVNVU96551518/'
    label: vultures@jpcert.or.jp
  - url: >-
      https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf
    label: vultures@jpcert.or.jp
tags:
  - nvd
  - cve.org
epss: 0.00445
epssPercentile: 0.36062
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T11:08:09.862843Z'
ingestedAt: '2026-09-14T15:23:07.461Z'
---

## Overview

An exposure of information through directory listing issue exists in CONPROSYS M2M Gateway Series and CONPROSYS M2M Controller Series. Accessing a specific URL on this product may allow a remote unauthenticated attacker to obtain the directory list without authentication.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.