Auth bypass in Gl.inet Gl-Rm1

CVE-2026-5959

A security flaw has been discovered in GL.iNet GL-RM1, GL-RM10, GL-RM10RC and GL-RM1PE 1.8.1. Affected by this issue is some unknown functionality of the component Factory Reset Handler. Performing a manipulation results in improper authentication. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 1.8.2 can resolve this issue. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Vulnerability class: Broken Authentication

EPSS: 0.005 (41.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5959?
CVE-2026-5959 is a medium-severity vulnerability in Gl.inet Gl-Rm1, classified under Improper Authentication. CVSS score: 6.6/10. Published 2026-04-09.
How severe is CVE-2026-5959?
Medium severity. CVSS v3 base score is 6.6 out of 10.