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CVE-2026-9210 NETGEAR CVE debrief

CVE-2026-9210 is a medium severity vulnerability (CVSS Score: 4.9) that affects certain NETGEAR models. The vulnerability is caused by insufficient input validation, allowing authenticated administrators connected to the local network to make unauthorized modifications to router software and functionality.

Vendor
NETGEAR
Product
EX3700
CVSS
MEDIUM 4.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-10
Advisory published
2026-06-09
Advisory updated
2026-06-10

Who should care

Administrators and users of affected NETGEAR models should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability has a CVSS vector of CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:D/RE:L/U:Amber. It is classified under CWE-20.

Defensive priority

Medium

Recommended defensive actions

  • Apply patches or updates provided by NETGEAR as soon as possible.
  • Restrict access to the router's administration interface to trusted users only.
  • Monitor router logs for suspicious activity.

Evidence notes

The CVE record and NVD detail pages provide further information about this vulnerability.

Official resources

CVE-2026-9210 was published on 2026-06-09T17:17:51.120Z and modified on 2026-06-10T19:16:38.787Z.