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High · 8.8 CVE-2021-47770 EUVD-2026-3655GHSA-grvf-xrw5-jxhc

OpenPLC 3 - Remote Code Execution

Published Jan 21, 2026 · Updated Aug 14, 2026 · Assigned by VulnCheck

Description

OpenPLC v3 contains an authenticated remote code execution vulnerability that allows attackers with valid credentials to inject malicious code through the hardware configuration interface. Attackers can upload a custom hardware layer with embedded reverse shell code that establishes a network connection to a specified IP and port, enabling remote command execution.

Affected products

VendorProductAffectedFixed
Autonomy OpenPLC OpenPLC v3 —

References