Buffer Overflow Vulnerability in Contec Remote I/O Coupler Unit
CVE-2026-82785

5.3MEDIUM

Key Information:

Vendor

Contec Co., Ltd.

Status
Remote I/o Coupler Unit (server Type) Cpsn-mcb271-*
Vendor
CVE Published:
14 September 2026

What is CVE-2026-82785?

A stack-based buffer overflow vulnerability exists in Contec's Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. This vulnerability can be exploited by an attacker sending a specially crafted request, potentially leading to a denial-of-service (DoS) condition. It is essential for users of affected products to implement security measures and apply any available updates to safeguard their systems.

Affected Version(s)

Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* 0 < 1.82

References

https://www.contec.com/api/downloadlogger?download=/-/med...
https://jvn.jp/en/vu/JVNVU96551518/

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.