CVE-2026-82785

Published Sep 14, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Contec
Contec remote I/o Coupler Unit (server Type) Cpsn-mcb271-*
Vendors & Products Contec
Contec remote I/o Coupler Unit (server Type) Cpsn-mcb271-*
Type Values Removed Values Added
Title Stack-based Buffer Overflow Causing Denial of Service in Remote I/O Coupler Unit
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Stack-based Buffer Overflow Causing Denial of Service in Remote I/O Coupler Unit
Type Values Removed Values Added
Description 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.
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Sep 14, 2026, 11:19 AM
Reserved
Aug 31, 2026, 2:30 AM
Status
Deferred
Published
Sep 14, 2026, 7:17 AM
Modified
Sep 16, 2026, 7:27 PM