Privilege escalation in Spacex Starlink Router Gen 3
CVE-2026-19918
A vulnerability has been found in SpaceX Starlink Router Gen 3 2025.11.14.mr64708.3. This affects the function get_status of the component gRPC Management Interface. The manipulation leads to improper access controls. The attack can only be initiated within the local network. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (26.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Spacex Starlink Router Gen 3 — versions 2025.11.14.mr64708.3
Weakness classification (CWE)
References
- vuldb.com/vuln/390168 (technical-description, vdb-entry)
- vuldb.com/vuln/390168/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19918 (third-party-advisory)
- vuldb.com/submit/870897 (third-party-advisory)
- www.ararasat.com/blog/starlink-lan-grpc-control/ (exploit)
Frequently asked questions
- What is CVE-2026-19918?
- CVE-2026-19918 is a medium-severity vulnerability in Spacex Starlink Router Gen 3, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-08-16.
- How severe is CVE-2026-19918?
- Medium severity. CVSS v3 base score is 6.3 out of 10.