CVE-2026-49186
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductAcer Connect M6e 5g Firmware
PublishedJun 4, 2026
First seenJun 4, 2026
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| acer connect_m6e_5g_firmware | v ≤ m6e_ai_1.00.000019 | — |
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