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CVE-2023-31476

7.5 · HIGH

An issue was discovered on GL.iNet devices running firmware before 3.216.

Published May 9, 2023CWE-77EPSS 0.80%

Overview

CVE-2023-31476 is a high-severity vulnerability. It was published on May 9, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An issue was discovered on GL.iNet devices running firmware before 3.216. There is an arbitrary file write in which an empty file can be created almost anywhere on the filesystem, as long as the filename and path is no more than 6 characters (the working directory is /www).

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/gl-inet/CVE-issues/blob/main/3.215/GL-MV1000_Arbitrary_File_Creation.mdRefwww.gl-inet.comGitHubgithub.com/gl-inet/CVE-issues/blob/main/3.215/GL-MV1000_Arbitrary_File_Creation.mdRefwww.gl-inet.com

How CyberStrike helps

Frequently asked questions

What is CVE-2023-31476?

CVE-2023-31476 is a high-severity vulnerability. It was published on May 9, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-31476?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-31476?

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-2023-31476?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-31476 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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