CVE-2026-49186

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://community.acer.com/en/kb/articles/19707	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:acer:connect_m6e_5g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:acer:connect_m6e_5g:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-04 04:17

Updated : 2026-07-22 20:10

NVD link : CVE-2026-49186

Mitre link : CVE-2026-49186

CVE.ORG link : CVE-2026-49186

JSON object : View

Products Affected

acer

connect_m6e_5g
connect_m6e_5g_firmware

CWE

CWE-287

Improper Authentication

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