CVE-2025-55038: CLICK PLUS C0-0x CPU firmware 0 to before v3.71; +2 more affected products

CVE-2025-55038. CVSS 3.1 base score 6.8 (MEDIUM, Vendor/CNA). EPSS 0.0026 (percentile 0.16479), scored 17-Oct-2026.

Affected technology

CLICK PLUS C0-0x CPU firmware · 0 to before v3.71
AutomationDirect

CLICK PLUS C0-1x CPU firmware · 0 to before v3.71
AutomationDirect

CLICK PLUS C2-x CPU firmware · 0 to before v3.71
AutomationDirect

Description’s affected range: version 3.60

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Authenticated users with low-level access permissions can exploit this vulnerability to read and modify PLC variables beyond their intended authorization level. Vendor/CNA’s CVSS 4.0 assessment (base score 7.6/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 18-Oct-2026 22:52 UTC

CWE: CWE-862
CCR priority: 27.3 /100 (P4)
CVSS 3.1: 6.8 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N · Vendor/CNA
EPSS: 0.0026 · percentile 0.16479 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-55038.html