CVE-2026-82783
Medium
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.
SeverityMedium
CVSS4.2
Exploit probability—
ProductRemote I/O Coupler Unit (Server Type) CPSN-MCB271-*
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-256CWE-256
How to fix
Update
- Contec Co., Ltd. Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*1.82 or later
- Contec Co., Ltd. Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]11.02 or later
- Contec Co., Ltd. Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-0411.61 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Contec Co., Ltd. Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* | v < 1.82 | 1.82 |
| Contec Co., Ltd. Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1 | v < 1.02 | 1.02 |
| Contec Co., Ltd. Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041 | v < 1.61 | 1.61 |
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