critical9.8
CVE-2026-49186
The local MQTT broker does not enforce topic-level Access Control Lists (ACLs).
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Acer | Connect M6e 5g Firmware | through m6e_ai_1.00.000019 |