CVE-2023-31477

Name: CVE-2023-31477
Creator: NVD / NIST
Published: 2023-05-11T02:15:09.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2023-31477 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.94%

56.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gl-Inet	Gl-S20 Firmware	< 3.216
Gl-Inet	Gl-X3000 Firmware	< 3.216
Gl-Inet	Gl-Mt3000 Firmware	< 3.216
Gl-Inet	Gl-Mt2500 Firmware	< 3.216
Gl-Inet	Gl-Mt2500a Firmware	< 3.216
Gl-Inet	Gl-Axt1800 Firmware	< 3.216
Gl-Inet	Gl-A1300 Firmware	< 3.216
Gl-Inet	Gl-Ax1800 Firmware	< 3.216
Gl-Inet	Gl-Sft1200 Firmware	< 3.216
Gl-Inet	Gl-Mt1300 Firmware	< 3.216
Gl-Inet	Gl-E750 Firmware	< 3.216
Gl-Inet	Gl-Mv1000 Firmware	< 3.216
Gl-Inet	Gl-Mv1000w Firmware	< 3.216
Gl-Inet	Gl-S10 Firmware	< 3.216
Gl-Inet	Gl-S200 Firmware	< 3.216
Gl-Inet	Gl-S1300 Firmware	< 3.216
Gl-Inet	Gl-Sf1200 Firmware	< 3.216
Gl-Inet	Gl-B1300 Firmware	< 3.216
Gl-Inet	Gl-B2200 Firmware	< 3.216
Gl-Inet	Gl-Ap1300 Firmware	< 3.216
Gl-Inet	Gl-Ap1300lte Firmware	< 3.216
Gl-Inet	Gl-X1200 Firmware	< 3.216
Gl-Inet	Gl-X750 Firmware	< 3.216
Gl-Inet	Gl-X300b Firmware	< 3.216
Gl-Inet	Gl-Xe300 Firmware	< 3.216
Gl-Inet	Gl-Ar750s Firmware	< 3.216
Gl-Inet	Gl-Ar750 Firmware	< 3.216
Gl-Inet	Gl-Mifi Firmware	< 3.216
Gl-Inet	Gl-Mt300n-V2 Firmware	< 3.216
Gl-Inet	Gl-Ar300m Firmware	< 3.216
Gl-Inet	Gl-Usb150 Firmware	< 3.216
Gl-Inet	Microuter-N300 Firmware	< 3.216

References

https://github.com/gl-inet/CVE-issues/blob/main/3.215/Path_Traversal.mdExploit, Third Party Advisory
https://www.gl-inet.comVendor Advisory
https://github.com/gl-inet/CVE-issues/blob/main/3.215/Path_Traversal.mdExploit, Third Party Advisory
https://www.gl-inet.comVendor Advisory

Timeline

Published: May 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31477?

How severe is CVE-2023-31477?

CVE-2023-31477 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31477?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31477?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST