CVE-2023-40039: Critical severity arris tg852g firmware vulnerability

Published Sep 11, 2023
·
Updated

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.

Affected Software

12 affected components
All of the following
Arris Tg852g Firmware
Arris TG852G
All of the following
Arris Tg862g Firmware
Arris TG862G
All of the following
Arris Tg1672g Firmware
Arris TG1672G
Arris Tg852g Firmware
Arris TG852G
Arris Tg862g Firmware
Arris TG862G
Arris Tg1672g Firmware
Arris TG1672G

Event History

Sep 11, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is CVE-2023-40039?

CVE-2023-40039 is a vulnerability discovered on ARRIS TG852G, TG862G, and TG1672G devices, where a remote attacker can derive the default WPA2-PSK value by observing a beacon frame.

2

How does CVE-2023-40039 impact ARRIS TG852G, TG862G, and TG1672G devices?

CVE-2023-40039 allows a remote attacker (in proximity to a Wi-Fi network) to derive the default WPA2-PSK value.

3

What is the severity of CVE-2023-40039?

CVE-2023-40039 has a severity rating of 9.8 (Critical).

4

Which software versions of ARRIS TG852G, TG862G, and TG1672G devices are affected by CVE-2023-40039?

ARRIS TG852G Firmware and ARRIS TG862G Firmware are affected by CVE-2023-40039.

5

How can the vulnerability CVE-2023-40039 be mitigated?

There is currently no known mitigation for CVE-2023-40039. It is recommended to follow the vendor's security advisories and apply any patches or updates when available.

Contact

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