Vulnerability · Published Sep 14, 2026 · Assigned by jpcert
CVE-2026-82774
High 8.8
In plain English
A high-severity OS command injection 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 1.9% (higher than 79% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.9%top 20.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in CONPROSYS M2M Gateway Series and CONPROSYS M2M Controller Series. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
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-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H