RCE in Gl.inet Gl-Mt3000
CVE-2026-12186
A weakness has been identified in GL.iNet GL-MT3000 up to 4.4.5. Affected is the function replace_country in the library /usr/lib/oui-httpd/rpc/tor of the component Tor Proxy Service Configuration Handler. This manipulation causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 4.7 is able to address this issue. It is recommended 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.
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: 0.020 (80.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Gl.inet Gl-Mt3000 — versions 4.4.0, 4.4.1, 4.4.2
Weakness classification (CWE)
References
- fw.gl-inet.com/firmware/mt3000/release/mt3000-4.8.1-0819-1755615825.tar (patch)
- github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/tor_set_config/Read… (exploit)
- vuldb.com/cve/CVE-2026-12186 (third-party-advisory)
- vuldb.com/submit/815579 (third-party-advisory)
- vuldb.com/vuln/370832 (technical-description, vdb-entry)
- vuldb.com/vuln/370832/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-12186?
- CVE-2026-12186 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 2026-06-14.
- How severe is CVE-2026-12186?
- High severity. CVSS v3 base score is 8.8 out of 10.