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Description

The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any client to subscribe using wildcard characters (# or +) to enumerate hidden network devices or publish rogue control commands.

PUBLISHED Reserved 2026-05-28 | Published 2026-06-04 | Updated 2026-06-04 | Assigner Acer




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-287: Improper Authentication

Product status

Default status
unaffected

* (custom)
affected

Credits

Ta-Lun Yen finder

References

community.acer.com/en/kb/articles/19707

cve.org (CVE-2026-49186)

nvd.nist.gov (CVE-2026-49186)

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