CVE-2023-40039

CRITICAL

Arris Tg852g Firmware - Improper Access Control

Title source: rule
STIX 2.1

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 (3)

Core 3

Scores

CVSS v3 9.8
EPSS 0.0055
EPSS Percentile 67.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-284
Status published
Products (3)
arris/tg1672g_firmware
arris/tg852g_firmware
arris/tg862g_firmware
Published Sep 11, 2023
Tracked Since Feb 18, 2026