CVE-2026-3869

CriticalCVSS 9.2/10Last modified Sep 18, 2026

Description

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.

Metrics

CVSS 4.0 9.2/10CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Sep 11, 2026
Last modified
Sep 18, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

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CVE-2026-3869: Critical severity, CVSS 9.2 | Vulnix