CVE-2026-49186: Acer Connect m6e 5g Firmware

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any client to subscribe using wildcard characters (# or +) to enumerate hidden network devices or publish rogue control commands.

Affected products

• Acer Connect m6e 5g Firmware: up to and including m6e_ai_1.00.000019

Published 2026-06-04. Last modified 2026-07-22.