CVE-2026-82786

State: Published
Severity: 8.2 High
Published: Sep 14, 2026
Updated: Sep 14, 2026
Reserved: Aug 31, 2026

Description

Insufficiently protected credentials issue exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. If this vulnerability is exploited, sensitive information may be restored from a backup file.

Scores

CVSS	Score	Vector	Source
4.0	8.2 High	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	jpcert
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N	jpcert

Weaknesses

CWE-522 Insufficiently protected credentials

Affected Products

Product	Versions
Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*Contec Co., Ltd.	before 1.82Affected

References

https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf
https://jvn.jp/en/vu/JVNVU96551518/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.