CVE-2026-82774: Contec Co., Ltd m2m Controller Configurable Type Cps-MCS341*

High severity, CVSS 8.8. EPSS: 1.9% chance of exploitation in the next 30 days.

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

• Contec Co., Ltd m2m Controller Configurable Type Cps-MCS341*: before 4.1.0 (fixed in 4.1.0)
• Contec Co., Ltd m2m Controller Integrated Type Cps-MC341: before 4.1.0 (fixed in 4.1.0)
• Contec Co., Ltd m2m Gateway Configurable Type Cps-MGS341*: before 4.1.0 (fixed in 4.1.0)
• Contec Co., Ltd m2m Gateway Integrated Type Cps-MG341*: before 4.1.0 (fixed in 4.1.0)

Published 2026-09-14. Last modified 2026-09-16.