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CVE-2021-47770

HIGH CVSS: 8.8 Published: 2026-01-21 Modified: 2026-06-17

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 Platforms

Unknown

Weakness Type

CWE-94

References