RCE in Gl.inet Gl-Mt3000
CVE-2026-18600
A vulnerability has been found in GL.iNet GL-MT3000 up to 4.4.5. This affects the function network.switch_info/network.switch_status of the file /usr/lib/oui-httpd/rpc/network of the component Network Lua RPC Plugin. Such manipulation of the argument switch leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. 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 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.032 (88.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- Gl.inet Gl-Mt3000 — versions 4.4.0, 4.4.1, 4.4.2
Weakness classification (CWE)
References
- vuldb.com/vuln/385515 (technical-description, vdb-entry)
- vuldb.com/vuln/385515/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-18600 (third-party-advisory)
- vuldb.com/submit/851537 (third-party-advisory)
- github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/network_switch_info… (exploit)
Frequently asked questions
- What is CVE-2026-18600?
- CVE-2026-18600 is a high-severity vulnerability in Gl.inet Gl-Mt3000, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.8/10. Published 2026-08-03.
- How severe is CVE-2026-18600?
- High severity. CVSS v3 base score is 8.8 out of 10.