CVE-2026-28205

CRITICAL

Initialization of a resource with an insecure default in OpenPLC_V3

Title source: cna
STIX 2.1

Description

OpenPLC_V3 is vulnerable to an Initialization of a Resource with an Insecure Default vulnerability which could allow an attacker to gain access to the system by bypassing authentication via an API.

References (1)

Core 1
Core References
Government Resource government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-10

Scores

CVSS v3 9.8
EPSS 0.0045
EPSS Percentile 35.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-1188
Status published
Products (2)
OpenPLC_V3/OpenPLC_V3 All versions
openplcproject/openplc_v3_firmware
Published Apr 09, 2026
Tracked Since Apr 10, 2026