Improper access control in Acer Connect W6x Router - #VU133371
Published: June 4, 2026
Vulnerability identifier: #VU133371
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Acer
Affected software:
Acer Connect W6x Router
Acer Connect W6x Router
Detailed vulnerability description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the local MQTT messaging broker when handling wildcard topic subscriptions. A remote user can subscribe to wildcard topics to disclose sensitive information.
Remediation
Install security update from vendor's website.