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.

What devices are affected by CVE-2023-40038?

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

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.

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.

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.

Vulnerability/
CVE-2023-40038

high

8.8

CWE

287

27/12/2023

2/8/2024

CVE-2023-40038

First published: Wed 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.)

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
All of
Arris DG860A Firmware
Arris DG860A Firmware
All of
Arris DG1670A	=ts0901203b6_020420_16xx.gw_pc20_tw
Arris DG1670A Firmware

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Reference Links

Frequently Asked Questions

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.
What devices are affected by CVE-2023-40038?
CVE-2023-40038 affects Arris DG860A and DG1670A devices, specifically those with predictable default WPA2 PSKs.
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.
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.
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.

agent/type
agent/references
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agent/author
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/description
agent/source
agent/softwarecombine
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/arris
canonical/arris dg860a firmware
canonical/arris dg1670a
version/arris dg1670a/ts0901203b6_020420_16xx.gw_pc20_tw
canonical/arris dg1670a firmware

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