Question 1

What is CVE-2026-3869 — CVE-2026-3869?

Accepted Answer

CWE-303 : Incorrect Implementation of Authentication Algorithm vulnerability exists that could cause loss of confidentiality, integrity and availability of the PLC provided an application project with a lower application level is running on the PLC.

Question 2

What is the authoritative source for CVE-2026-3869?

Accepted Answer

CVE-2026-3869 (CVE-2026-3869) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

EPSS	0.54% probability of exploitation · percentile 43.7% · 2026-10-05T12:00:23Z
Last modified	2026-09-18

CVE-2026-3869CVE-2026-3869

Description

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