What is CVE-2026-18598?

CVE-2026-18598 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-2026-18598?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Gl.inet Gl-mt3000

CVE-2026-18598

A vulnerability was detected in GL.iNet GL-MT3000 up to 4.4.5. The affected element is the function logread.get_system_log of the file /usr/lib/oui-httpd/rpc/logread of the component Logread Lua RPC plugin. The manipulation of the argument…

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.

Affected products

Gl.inet Gl-mt3000 — versions 4.4.0, 4.4.1, 4.4.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-18598?: CVE-2026-18598 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-2026-18598?: High severity. CVSS v3 base score is 8.8 out of 10.