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CVE-2023-40038

8.8 · HIGH

Arris DG860A and DG1670A devices have predictable default WPA2 PSKs that could lead to unauthorized remote access.

Published Dec 27, 2023CWE-287EPSS 0.36%

Overview

CVE-2023-40038 is a high-severity vulnerability. It was published on December 27, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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.)

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/actuator/cve/blob/main/Arris/CVE-2023-40038Refi.ebayimg.com/images/g/ByAAAOSwQCFi2b50/s-l1600.jpgGitHubgithub.com/actuator/cve/blob/main/Arris/CVE-2023-40038Refi.ebayimg.com/images/g/ByAAAOSwQCFi2b50/s-l1600.jpg

How CyberStrike helps

Frequently asked questions

What is CVE-2023-40038?

CVE-2023-40038 is a high-severity vulnerability. It was published on December 27, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-40038?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-40038?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-40038?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-40038 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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