CVE-2026-82783 PUBLISHED

Assigner: jpcert
Reserved: 31.08.2026 Published: 14.09.2026 Updated: 14.09.2026

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.

Metrics

CVSS 3.1
CVSS 4.0

CVSS Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 4.2

Attack Vector	Physical	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS 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
CVSS Score: 4.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Physical	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Contec Co., Ltd.
Product	Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*
Versions	Default: unaffected affected from 0 to 1.82 (excl.)

Vendor	Contec Co., Ltd.
Product	Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1
Versions	Default: unaffected affected from 0 to 1.02 (excl.)

Vendor	Contec Co., Ltd.
Product	Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041
Versions	Default: unaffected affected from 0 to 1.61 (excl.)

CVE-2026-82783 PUBLISHED

Metrics

Product Status

References

Problem Types