CVE-2026-82782

Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* · Vulnerability

CVSS 3.1 4.3 MEDIUMCVSS 4.0 5.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-82782

Published

Out-of-bounds write vulnerability exists in CONPROSYS nano Series. Receiving a specially crafted request created and sent by a remote attacker may cause a denial-of-service (DoS) condition.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-82782

Published

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

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Contec Co., Ltd.",
                    "product": "Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "1.82"
                        }
                    ]
                }

Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Contec Co., Ltd.",
                    "product": "Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "1.02"
                        }
                    ]
                }

Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Contec Co., Ltd.",
                    "product": "Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "1.61"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON