Meshtastic is an open source, off-grid, decentralized, mesh network built to run on affordable, low-power devices. Meshtastic firmware is an open source firmware implementation for the broader project. The remote hardware module of the firmware does not have proper checks to ensure a remote hardware control message was received should be considered valid. This issue has been addressed in release version 2.5.1. All users are advised to upgrade. There are no known workarounds for this vulnerability.