CVE-2026-49198 PUBLISHED

Predator Connect W6x: MQTT Broker Access Control

Assigner: Acer
Reserved: 28.05.2026 Published: 29.05.2026 Updated: 29.05.2026

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

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CVSS Score: 8.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Vendor	Acer
Product	Predator Connect W6x
Versions	Default: unaffected affected from W6x_GBL_2.00.000005 to * (incl.)

Fixed on firmware version: W6x_GBL_2.00.000008