CVE-2023-31477
7.5 · HIGHOverview
CVE-2023-31477 is a high-severity vulnerability affecting gl-inet gl-s20_firmware. It was published on May 11, 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
A path traversal issue was discovered on GL.iNet devices before 3.216. Through the file sharing feature, it is possible to share an arbitrary directory, such as /tmp or /etc, because there is no server-side restriction to limit sharing to the USB path.
Remediation
Check the references section for vendor advisories and patches from gl-inet. Update gl-s20_firmware to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gl-inet | gl-s20_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-x3000_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-mt3000_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-mt2500_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-mt2500a_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-axt1800_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-a1300_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-ax1800_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-sft1200_firmware | >= 0, < 3.216 | Affected |
| gl-inet | gl-mt1300_firmware | >= 0, < 3.216 | Affected |
Frequently Asked Questions
What is CVE-2023-31477?
CVE-2023-31477 is a high-severity vulnerability affecting gl-inet gl-s20_firmware. It was published on May 11, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2023-31477?
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-2023-31477?
Check the references section for vendor advisories and patches from gl-inet. Update gl-s20_firmware to the latest patched version. 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-2023-31477?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-31477 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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