Improper input validation in NETGEAR Cax30

CVE-2026-9211

An unauthenticated user on the local network can gain control of the router and make unauthorized changes to its operation.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-9211: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9211?
CVE-2026-9211 is a high-severity vulnerability in NETGEAR Cax30, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-06-09.
How severe is CVE-2026-9211?
High severity. CVSS v3 base score is 8.8 out of 10.