Predator Connect W6x: MQTT Broker Access Control

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Summary

CVECVE-2026-49198
StatePUBLISHED
AssignerAcer
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-29 09:16:18 UTC
Updated2026-05-29 14:46:09 UTC
DescriptionImproper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.

Risk And Classification

Primary CVSS: v4.0 8.3 HIGH from 8fc372e3-d9c5-46e4-9410-38469745c639

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/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

Problem Types: CWE-284 | CWE-284 CWE-284: Improper Access Control

VersionSourceTypeScoreSeverityVector
4.08fc372e3-d9c5-46e4-9410-38469745c639Secondary8.3HIGHCVSS: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/C...
4.0CNACVSS8.3HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Sub Conf.
High
Sub Integrity
None
Sub Availability
None

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/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Acer Predator Connect W6x affected W6x_GBL_2.00.000005 * custom Windows

References

ReferenceSourceLinkTags
community.acer.com/en/kb/articles/19672 8fc372e3-d9c5-46e4-9410-38469745c639 community.acer.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: rethesis (en)

Additional Advisory Data

Solutions

CNA: Fixed on firmware version: W6x_GBL_2.00.000008

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