8.2

CVE-2026-82786: contec co., ltd. remote i/o coupler unit (server type) cpsn-mcb271-* Insufficiently Protected Credentials

CVSS: 8.2v4.0HighDeferred
Published 14-09-2026Last modified 14-09-2026
Open JSON

Vulnerability summary

CVE-2026-82786 is a high (CVSS 8.2) Insufficiently Protected Credentials vulnerability in contec co., ltd. remote i/o coupler unit (server type) cpsn-mcb271-*. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.7% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v4.0 (CVE.org)
EPSS score
0.30%
0%100%
Low · +0.11 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-09-2026
    PublishedVulnerability first disclosed.
  2. 14-09-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

+0.11 pp

From 0.19% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Contec co., ltd.1 product

1 vendor · 1 product

References

2 links