Vulnerability in Contec Co., Ltd. Programmable Remote I/o Coupler Unit (Software Plc Type) Cpsn-Pcb271-S1-041

CVE-2026-82783

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-82783: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-82783?
CVE-2026-82783 is a medium-severity vulnerability in Contec Co., Ltd. Programmable Remote I/o Coupler Unit (Software Plc Type) Cpsn-Pcb271-S1-041, classified under Plaintext Storage of a Password. CVSS score: 4.2/10. Published 2026-09-14.
How severe is CVE-2026-82783?
Medium severity. CVSS v3 base score is 4.2 out of 10.