CVE-2023-31473

Name: CVE-2023-31473
Creator: NVD / NIST
Published: 2023-05-11T11:15:09.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 3.87%

Last modified Jun 17, 2026

CVE-2023-31473 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. An issue was discovered on GL.iNet devices before 3.216. There is an arbitrary file write in which an empty file can be created anywhere on the filesystem. EPSS estimates a 3.87% chance of exploitation in the next 30 days.

Description

An issue was discovered on GL.iNet devices before 3.216. There is an arbitrary file write in which an empty file can be created anywhere on the filesystem. This is caused by a command injection vulnerability with a filter applied. Through the software installation feature, it is possible to inject arbitrary parameters in a request to cause opkg to read an arbitrary file name while using root privileges. The -f option can be used with a configuration file.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

3.87%

88.8th 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/Arbitrary_File_Read.mdExploit, Third Party Advisory
https://www.gl-inet.comVendor Advisory
https://github.com/gl-inet/CVE-issues/blob/main/3.215/Arbitrary_File_Read.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-2023-31473?

How severe is CVE-2023-31473?

CVE-2023-31473 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 3.87% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31473?

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-2023-31473?

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

Scan your code now

Source: NVD / NIST