CVE-2026-49191: Acer Connect m6e 5g Firmware

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

The production build of the M3WebServer hard-codes its backend API keys, which can be easily intercepted through verbose error handling pages.

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.