Vulnerability · Published Sep 14, 2026 · Assigned by jpcert
CVE-2026-82775
Medium 4.3
In plain English
A medium-severity security flaw in M2M Controller Configurable type CPS-MCS341* from Contec Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 61.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Contec Co., Ltd. | M2M Gateway Integrated Type CPS-MG341* | 0 – before 4.1.0 |
| Contec Co., Ltd. | M2M Gateway Configurable type CPS-MGS341* | 0 – before 4.1.0 |
| Contec Co., Ltd. | M2M Controller Integrated Type CPS-MC341 | 0 – before 4.1.0 |
| Contec Co., Ltd. | M2M Controller Configurable type CPS-MCS341* | 0 – before 4.1.0 |
Weakness: CWE-548 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N