CVE-2026-82785: Contec Co., Ltd Remote I/o Coupler Unit Server Type Cpsn-MCB271-*

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Stack-based buffer overflow vulnerability exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. Receiving a specially crafted request created and sent by a remote attacker may cause a denial-of-service (DoS) condition.

Affected products

• Contec Co., Ltd Remote I/o Coupler Unit Server Type Cpsn-MCB271-*: before 1.82 (fixed in 1.82)

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