CVE-2026-49198: Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.

PriorityP427medium4.9CVSS 3.1

AVNACLPRHUINSUCHINAN

EPSS

0.21%

10.9th percentile

Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
acer	predator_connect_w6x	W6x_GBL_2.00.000005 – *	—
acer	predator_connect_w6x_firmware	<= w6x_gbl_2.00.000005	—

CVSS provenance

nvdv3.14.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

nvdv4.08.3HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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