CISA has released an Industrial Control Systems (ICS) advisory detailing a vulnerability affecting several versions of ThroughTek Kalay P2P Software Development Kit (SDK). A remote attacker could exploit this vulnerability to take control of an affected system.
CISA encourages users and administrators to review the ICS Advisory: ICSA-21-229-01 ThroughTek Kalay P2P SDK and the FireEye Mandiant blog: Mandiant Discloses Critical Vulnerability Affecting Millions of IoT Devices for more information and to apply the necessary update and mitigations.