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CVE-2026-82775

Quick assessment

Affected

Contec Co., Ltd. M2M Gateway Integrated Type CPS-MG341*

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Contec CONPROSYS M2M Gateway Series是日本Contec公司的一款实现设备互联、数据采集与远程传输的工业M2M网关系列。 Contec CONPROSYS M2M Gateway Series存在信息泄露漏洞，该漏洞源于目录列表导致信息暴露，远程未经验证的攻击者可通过访问特定URL在未经身份验证的情况下获取目录列表。

CVSS 4.3 · Medium EPSS 0.45% · P39 Updated Sep 14, 2026

Possible ATT&CK Techniques 1 AI

T1010 · Application Window Discovery

Affected Version Matrix 4

Vendor	Product	Version Range	Status
Contec Co., Ltd.	M2M Controller Configurable type CPS-MCS341*	`< 4.1.0`	affected
Contec Co., Ltd.	M2M Controller Integrated Type CPS-MC341	`< 4.1.0`	affected
Contec Co., Ltd.	M2M Gateway Configurable type CPS-MGS341*	`< 4.1.0`	affected
Contec Co., Ltd.	M2M Gateway Integrated Type CPS-MG341*	`< 4.1.0`	affected

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I. Basic Information for CVE-2026-82775

Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

通过目录枚举导致的信息暴露

Source: CVE Program / CVE List V5

Vulnerability Title

Contec CONPROSYS M2M Gateway Series 信息泄露漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE
Contec Co., Ltd.	M2M Gateway Integrated Type CPS-MG341*	0 ~ 4.1.0	-
Contec Co., Ltd.	M2M Gateway Configurable type CPS-MGS341*	0 ~ 4.1.0	-
Contec Co., Ltd.	M2M Controller Integrated Type CPS-MC341	0 ~ 4.1.0	-
Contec Co., Ltd.	M2M Controller Configurable type CPS-MCS341*	0 ~ 4.1.0	-

II. Public POCs for CVE-2026-82775

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-82775

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Vendor Advisories for CVE-2026-82775 (1)

🔗 JVNVU#96551518: Multiple vulnerabilities in Contec CONPROSYS series Read full article

Other References for CVE-2026-82775 (1)

https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf

https://www.cve.org/CVERecord?id=CVE-2026-82775

Same Patch Batch · Contec Co., Ltd. · 2026-09-14 · 32 CVEs total

CVE-2026-82787	9.8 CRITICAL	Contec CONPROSYS IO-Link Master 授权问题漏洞
CVE-2026-82794	8.8 HIGH	Contec solarview compact 命令注入漏洞
CVE-2026-82777	8.8 HIGH	Contec CONPROSYS PAC Series 命令注入漏洞
CVE-2026-82770	8.8 HIGH	Contec RP-WAH-SR Series 缓冲区错误漏洞
CVE-2026-82791	8.8 HIGH	Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit 命令注入漏洞
CVE-2026-82762	8.8 HIGH	Contec FX5000 series 命令注入漏洞
CVE-2026-82766	8.8 HIGH	Contec SGA1000 命令注入漏洞
CVE-2026-82774	8.8 HIGH	Contec CONPROSYS M2M Gateway Series 命令注入漏洞
CVE-2026-82772	8.8 HIGH	Contec EC1000 series 缓冲区错误漏洞
CVE-2026-82765	8.1 HIGH	Contec FX5000 series 路径遍历漏洞
CVE-2026-82768	8.1 HIGH	Contec SGA1000 路径遍历漏洞
CVE-2026-82793	7.2 HIGH	Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit 任意文件上传漏洞
CVE-2026-82784	6.5 MEDIUM	Contec CONPROSYS nano Series 授权问题漏洞
CVE-2026-82786	6.3 MEDIUM	Contec CONPROSYS nano Series 信任管理问题漏洞
CVE-2026-82773	6.1 MEDIUM	Contec CONPROSYS M2M Gateway Series 跨站脚本漏洞
CVE-2026-82776	6.1 MEDIUM	Contec CONPROSYS PAC Series 跨站脚本漏洞
CVE-2026-82788	6.1 MEDIUM	Contec CONPROSYS IO-Link Master 跨站脚本漏洞
CVE-2026-82781	5.4 MEDIUM	Contec CONPROSYS nano Series 跨站脚本漏洞
CVE-2026-82796	5.4 MEDIUM	Contec solarview compact 跨站脚本漏洞
CVE-2026-82790	5.4 MEDIUM	Contec PC-HELPER Wireless 跨站脚本漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: M2M Gateway Integrated Type CPS-MG341*

Same vendor: Contec Co., Ltd.

Same weakness: CWE-548