What is CVE-2026-11449?

CVE-2026-11449 is a medium-severity vulnerability in Gl.inet Gl-Mt3000, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-06-07.

How severe is CVE-2026-11449?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Gl.inet Gl-Mt3000

CVE-2026-11449

A security vulnerability has been detected in GL.iNet GL-MT3000 4.4.5. The impacted element is the function rpc_sys of the file /cgi-bin/luci/rpc of the component LuCI JSON-RPC Interface. Such manipulation leads to command injection. The attack may be performed from remote. Upgrading to version 4.8.1 is sufficient to resolve this issue. Upgrading the affected component is advised. The vendor confirms: "The issue discovered by the vulnerability researcher on older firmware versions(4.4.5) has actually been fixed and mitigated in the new version. According to the latest firmware fixes, by default, firmware versions after 4.7.13 do not install LuCI, so this vulnerability cannot be exploited."

Published 2026-06-07 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.011 (65.7th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Gl.inet Gl-Mt3000 — versions 4.4.5, 4.8.1

Weakness classification (CWE)

References

fw.gl-inet.com/firmware/mt3000/release/mt3000-4.8.1-0819-1755615825.tar (patch)
github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/luci_rpc_sys_exec_r… (related)
vuldb.com/cve/CVE-2026-11449 (third-party-advisory)
vuldb.com/submit/825385 (third-party-advisory)
vuldb.com/vuln/369069 (technical-description, vdb-entry)
vuldb.com/vuln/369069/cti (signature, permissions-required)

Frequently asked questions

What is CVE-2026-11449?: CVE-2026-11449 is a medium-severity vulnerability in Gl.inet Gl-Mt3000, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-06-07.
How severe is CVE-2026-11449?: Medium severity. CVSS v3 base score is 6.3 out of 10.