CVE-2023-40039

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered on ARRIS TG852G, TG862G, and TG1672G devices. A remote attacker (in proximity to a Wi-Fi network) can derive the default WPA2-PSK value by observing a beacon frame.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 11, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-40039: Critical severity, CVSS 9.8 | Vulnix