CVE-2018-8862: Atisystem ALERT4000 Firmware

Low severity, CVSS 3.1. EPSS: 0.6% chance of exploitation in the next 30 days.

In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, an improper authentication vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.

Affected products

• Atisystem ALERT4000 Firmware: affected versions not specified
• Atisystem HPSS16 Firmware: affected versions not specified
• Atisystem HPSS32 Firmware: affected versions not specified
• Atisystem Mhpss Firmware: affected versions not specified

Published 2018-05-25. Last modified 2026-06-17.