Information Exposure Vulnerability in CONPROSYS M2M Gateway and Controller by Contec
CVE-2026-82775

5.3MEDIUM

Key Information:

Vendor

Contec Co., Ltd.

Status
M2m Gateway Integrated Type Cps-mg341*
M2m Gateway Configurable Type Cps-mgs341*
M2m Controller Integrated Type Cps-mc341
M2m Controller Configurable Type Cps-mcs341*
Vendor
CVE Published:
14 September 2026

What is CVE-2026-82775?

An information exposure vulnerability exists in Contec's CONPROSYS M2M Gateway and Controller series. This issue allows remote unauthenticated attackers to access a specific URL, potentially leading to the disclosure of directory listings without proper authentication measures. The exposure poses risks to sensitive data and system integrity if exploited, necessitating immediate action for remediation.

Affected Version(s)

M2M Controller Configurable type CPS-MCS341* 0 < 4.1.0

M2M Controller Integrated Type CPS-MC341 0 < 4.1.0

M2M Gateway Configurable type CPS-MGS341* 0 < 4.1.0

References

https://www.contec.com/api/downloadlogger?download=/-/med...
https://jvn.jp/en/vu/JVNVU96551518/

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.