Auth bypass in Gl.inet E5800
CVE-2026-18584
A security vulnerability has been detected in GL.iNet E5800, E750, X2000, X3000, XE3000 and XE300 up to 20260707. Impacted is an unknown function of the file /sdk/v1 of the component eSIM LPA API. Such manipulation leads to improper authorization. The attack can only be initiated within the local network. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Gl.inet E5800 — versions 20260707
- Gl.inet E750 — versions 20260707
- Gl.inet X2000 — versions 20260707
- Gl.inet X3000 — versions 20260707
- Gl.inet Xe300 — versions 20260707
- Gl.inet Xe3000 — versions 20260707
Weakness classification (CWE)
References
- vuldb.com/vuln/385413 (vdb-entry)
- vuldb.com/vuln/385413/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-18584 (third-party-advisory)
- vuldb.com/submit/849283 (third-party-advisory)
- github.com/gl-inet/CVE-issues/blob/main/4.0.0/Unauthenticated access to eSIM LP… (related)
Frequently asked questions
- What is CVE-2026-18584?
- CVE-2026-18584 is a medium-severity vulnerability in Gl.inet E5800, classified under Incorrect Privilege Assignment. CVSS score: 5.4/10. Published 2026-08-03.
- How severe is CVE-2026-18584?
- Medium severity. CVSS v3 base score is 5.4 out of 10.