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PatchSiren cyber security CVE debrief

CVE-2026-9214 NETGEAR CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T16:17:40.490Z and has not been modified since then. The CVE-2026-9214 vulnerability affects NETGEAR R7000 models, allowing authenticated administrators connected to the local network to make unauthorized modifications to router software and functionality due to insufficient input validation. The CVSS score is 4.3, indicating a MEDIUM severity. Network administrators and security teams responsible for NETGEAR R7000 routers, as well as individuals with administrative access to these devices on the local network, should review and apply NETGEAR security advisories for CVE-2026-9214. They should also implement strict input validation for administrator interactions, restrict local network access for administrative tasks, and monitor router software and functionality for unauthorized changes.

Vendor
NETGEAR
Product
R7000
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-08-28
Advisory published
2026-08-11
Advisory updated
2026-08-28

Who should care

Network administrators and security teams responsible for NETGEAR R7000 routers, as well as individuals with administrative access to these devices on the local network.

Technical summary

The CVE-2026-9214 vulnerability affects NETGEAR R7000 models, allowing authenticated administrators connected to the local network to make unauthorized modifications to router software and functionality due to insufficient input validation. The CVSS score is 4.3, indicating a MEDIUM severity.

Defensive priority

Authenticated administrators on the local network can make unauthorized modifications to NETGEAR R7000 router software and functionality, requiring immediate attention.

Recommended defensive actions

  • Review and apply NETGEAR security advisories for CVE-2026-9214
  • Implement strict input validation for administrator interactions
  • Restrict local network access for administrative tasks
  • Monitor router software and functionality for unauthorized changes

Evidence notes

The CVE-2026-9214 record indicates an insufficient input validation vulnerability in NETGEAR R7000 models, allowing authenticated administrators connected to the local network to make unauthorized modifications to router software and functionality. The CVSS score is 4.3, with a MEDIUM severity. Official sources include the CVE Program and NIST NVD.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-9214 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-9214

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-9214 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-9214

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory

    a2826606-91e7-4eb6-899e-8484bd4575d5

  • Source reference

    Unverified legacy reference

    URL: https://www.netgear.com/support/product/r7000

    a2826606-91e7-4eb6-899e-8484bd4575d5

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.