Plaintext storage of a password issue exists in CONPROSYS nano Series . If this vulnerability is exploited, an attacker with physical access to the product may obtain credentials.

Attack Vector Physical

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Physical

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Contec Co., Ltd. Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* unaffected
Version Status Constraints
0 affected < 1.82
Contec Co., Ltd. Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1 unaffected
Version Status Constraints
0 affected < 1.02
Contec Co., Ltd. Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041 unaffected
Version Status Constraints
0 affected < 1.61

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Mon, 14 Sep 2026 07:00:00 +0000

Type Values Removed Values Added
Description Plaintext storage of a password issue exists in CONPROSYS nano Series . If this vulnerability is exploited, an attacker with physical access to the product may obtain credentials.
Weaknesses CWE-256
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 4.1, 'vector': 'CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-09-14T06:42:57.965Z

Reserved: 2026-08-31T02:30:58.278Z

Link: CVE-2026-82783

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-14T07:17:20.087

Modified: 2026-09-14T07:17:20.087

Link: CVE-2026-82783

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses