# CVE-2026-9214: NETGEAR R7000 insufficient input validation in firmware

Source: https://junglewise.ai/threats/cve-2026-9214-netgear-r7000-insufficient-input-validation-in-firmware  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-11. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-9214 · Severity: medium · CVSS 4.5 · Published 2026-08-11

The NETGEAR R7000 WiFi router is used to provide wireless connectivity in homes and small offices. An authenticated administrator on the local network can exploit insufficient input validation to make unauthorized modifications to the router's software and functionality, potentially compromising network security and performance.

Technologies: [NETGEAR R7000](https://junglewise.ai/threats/technologies/r7000). Vendors: [NETGEAR](https://junglewise.ai/threats/vendors/netgear).

## Quick answers

**Is CVE-2026-9214 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-9214 being exploited in the wild.

**How severe is CVE-2026-9214?** Medium severity, with a CVSS score of 4.5, published 11 August 2026.

**Which products and versions are affected?** NETGEAR R7000.

**Is there a fix for CVE-2026-9214?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-9214 attacked?** It is attacked with local access or from the adjacent network.

**Am I affected by CVE-2026-9214?** Check whether you run NETGEAR R7000 or NETGEAR R7000 Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an insufficient input validation flaw in the NETGEAR R7000 router firmware. The attack requires an authenticated administrator account with local network access, limiting the attack surface to trusted or compromised internal users. By sending specially crafted requests, an attacker can bypass input validation controls to modify router firmware, settings, or functionality. The exact vulnerable component and remediation status are not detailed in the provided advisory text.

## Affected products

- NETGEAR R7000

## Timeline

- 2026-08-11: disclosed

## References

- [https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory](https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory)
- [https://www.netgear.com/support/product/r7000](https://www.netgear.com/support/product/r7000)

## Related threats

- [NETGEAR routers insufficient input validation in NTP setting](https://junglewise.ai/threats/cve-2026-9218-insufficient-input-validation-vulnerability-in-time-server-ntp)