Command injection in Acer Connect W6x Router - #VU133372
Published: June 4, 2026
Vulnerability identifier: #VU133372
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-77
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 attacker to execute arbitrary code.
The vulnerability exists due to command injection in the MQTT broker processing logic when processing incoming messaging strings. A remote attacker can send a specially crafted MQTT payload to execute arbitrary code.
Remediation
Install security update from vendor's website.