CVE-2023-31475

critical

Description

An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the buffer.

References

https://www.gl-inet.com

https://justinapplegate.me/2023/glinet-CVE-2023-31475/

https://github.com/gl-inet/CVE-issues/blob/main/3.215/Buffer_Overflow.md

Details

Source: Mitre, NVD

Published: 2023-05-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.04121