Medium severity · published May 29, 2026
CVE-2026-49198
Predator Connect W6x: MQTT Broker Access Control
4.9
CVSS
0.2%
EPSS
No
On KEV
Description
Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Predator Connect W6x · Acer
W6x_GBL_2.00.000005 · source: vendor
PC
Predator Connect W6x Firmware · Acer
through w6x_gbl_2.00.000005 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-49198
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-49198
Vendor Advisory
https://community.acer.com/en/kb/articles/19672
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