CVE-2023-40039

critical

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.

References

https://i.ebayimg.com/images/g/4P0AAOSwdhxkrZtt/s-l1600.jpg

https://i.ebayimg.com/images/g/-UcAAOSwDe1kyD-Z/s-l1600.png

https://github.com/actuator/cve/blob/main/Arris/CVE-2023-40039

Details

Source: Mitre, NVD

Published: 2023-09-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00667