CVE-2026-49186

CRITICAL

Acer Connect M6E 5G Portable WiFi Router - Lack of MQTT Broker Topic Access Control Lists

Title source: rule

Description

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.

References (1)

Core 1

Core References

https://community.acer.com/en/kb/articles/19707

Scores

CVSS v3 9.8

EPSS 0.0032

EPSS Percentile 23.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-287

Status published

Products (2)

Acer/Connect M6E 5G Portable WiFi Router < M6E_AI_1.00.000019

acer/connect_m6e_5g_firmware < m6e_ai_1.00.000019

Published Jun 04, 2026

Tracked Since Jun 04, 2026