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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (57.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.009 · change: +0.003
Affected products
- Gl.inet Gl-Rm1 — versions 1.8.1, 1.8.2
- Gl.inet Gl-Rm10 — versions 1.8.1, 1.8.2
- Gl.inet Gl-Rm10rc — versions 1.8.1, 1.8.2
- Gl.inet Gl-Rm1pe — versions 1.8.1, 1.8.2
Weakness classification (CWE)
References
- vuldb.com/vuln/356512 (vdb-entry)
- vuldb.com/vuln/356512/cti (signature, permissions-required)
- vuldb.com/submit/786688 (third-party-advisory)
- github.com/gl-inet/CVE-issues/blob/main/KVM/1.8.1/Remote Access Authentication… (related)
- dl.gl-inet.com/kvm/ (patch)
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.