CVE-2026-82775: Exposure of information through directory listing in Contec Co., Ltd. M2M Gateway Integrated Type CPS-MG341*
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.
AI Analysis
Technical Summary
An information exposure vulnerability exists in the CONPROSYS M2M Gateway Series and M2M Controller Series from Contec Co., Ltd. Due to improper access control on directory listings, a remote unauthenticated attacker can access a specific URL to retrieve directory contents without authentication. This affects versions prior to 4.1.0 of the M2M Gateway Integrated Type CPS-MG341* product line. The CVSS 3.1 base score is 4.3, indicating medium severity with low complexity and no user interaction required.
Potential Impact
An attacker can remotely access directory listings without authentication, potentially exposing sensitive information about the file structure on affected devices. This could aid in further reconnaissance but does not directly impact integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict access to the affected URLs and implement network-level controls to limit exposure.
CVE-2026-82775: Exposure of information through directory listing in Contec Co., Ltd. M2M Gateway Integrated Type CPS-MG341*
Description
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.
CVSS v3.1
Score 4.3medium
Affected software
Contec Co., Ltd.
M2M Gateway Integrated Type CPS-MG341*
Contec Co., Ltd.
M2M Gateway Configurable type CPS-MGS341*
Contec Co., Ltd.
M2M Controller Integrated Type CPS-MC341
Contec Co., Ltd.
M2M Controller Configurable type CPS-MCS341*
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An information exposure vulnerability exists in the CONPROSYS M2M Gateway Series and M2M Controller Series from Contec Co., Ltd. Due to improper access control on directory listings, a remote unauthenticated attacker can access a specific URL to retrieve directory contents without authentication. This affects versions prior to 4.1.0 of the M2M Gateway Integrated Type CPS-MG341* product line. The CVSS 3.1 base score is 4.3, indicating medium severity with low complexity and no user interaction required.
Potential Impact
An attacker can remotely access directory listings without authentication, potentially exposing sensitive information about the file structure on affected devices. This could aid in further reconnaissance but does not directly impact integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict access to the affected URLs and implement network-level controls to limit exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-08-31T02:30:58.277Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa79bff55bf5e2cf5ac9d76
Added to database: 09/14/2026, 07:02:23 UTC
Last enriched: 09/14/2026, 07:32:21 UTC
Last updated: 09/15/2026, 03:11:00 UTC
Views: 14
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