CVE-2023-40038: High severity arris dg860a firmware vulnerability

Published Dec 27, 2023
·
Updated

Arris DG860A and DG1670A devices have predictable default WPA2 PSKs that could lead to unauthorized remote access. (They use the first 6 characters of the SSID and the last 6 characters of the BSSID, decrementing the last digit.)

Affected Software

4 affected components
All of the following
Arris Dg860a Firmware
Arris DG860A
All of the following
Arris Dg1670a Firmware=ts0901203b6_020420_16xx.gw_pc20_tw
Arris DG1670A

Event History

Dec 27, 2023
CVE Published
12:00 AM
Data Sourced
12:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2023-40038?

CVE-2023-40038 is considered a medium severity vulnerability due to the potential for unauthorized remote access.

2

What devices are affected by CVE-2023-40038?

CVE-2023-40038 affects Arris DG860A and DG1670A devices, specifically those with predictable default WPA2 PSKs.

3

How do I fix CVE-2023-40038?

To mitigate CVE-2023-40038, users should change the default WPA2 PSK to a stronger, custom password that does not follow the predictable pattern.

4

What risks are associated with CVE-2023-40038?

The risks associated with CVE-2023-40038 include unauthorized remote access to the network, potentially allowing attackers to intercept or manipulate network traffic.

5

How can I verify if my Arris device is vulnerable to CVE-2023-40038?

You can verify if your Arris device is vulnerable to CVE-2023-40038 by checking if it has the default WPA2 PSK setup as described in the vulnerability details.

Contact

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