CVE-2026-49186 — Lack of MQTT Broker Topic Access Control Lists

CVE-2026-49186

Lack of MQTT Broker Topic Access Control Lists PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Acer / Connect M6E 5G Portable WiFi Router	affected * through M6E_AI_1.00.000019

CWE

CWE-287

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.