MEDIUM · 4.9

CVE-2026-49198

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

Vulnerability Description

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

CVSS Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
AcerPredator Connect W6X Firmware<= w6x_gbl_2.00.000005
AcerPredator Connect W6X-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-49198?

CVE-2026-49198 is a vulnerability with a CVSS score of 4.9 (MEDIUM). Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.

How severe is CVE-2026-49198?

CVE-2026-49198 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-49198?

Check the references section above for vendor advisories and patch information. Affected products include: Acer Predator Connect W6X Firmware, Acer Predator Connect W6X.