# CVE-2026-11732: An insufficient input validation vulnerability exists in the website blocking feature of certain NETGEAR RAX/CAX series models

Status: published. Published: 2026-10-13. Updated: 2026-11-13.

An insufficient input validation vulnerability in the website blocking feature (Block Sites) of the listed NETGEAR router models allows a network-adjacent attacker with access to the local network (such as through Wi-Fi credentials) to run unauthorized commands on the router. This vulnerability could affect the confidentiality, integrity, and availability of the affected router. It applies only when the Block Sites feature is turned on.

## Remediation

- fix: Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:

ProductFixed VersionCAX30 Nighthawk AX6 6-Stream WiFi 6 Cable Modem Router



 V2.3.4.12 https://www.netgear.com/support/product/cax30/ 






RAX30 Nighthawk AX5 5-Stream AX2400 WiFi 6 Router



 V1.0.14.108 https://www.netgear.com/support/product/rax30/ 






RAX5 4-Stream AX1600 WiFi 6 Router V1.0.5.34 https://www.netgear.com/support/product/rax5/ RAXE300 Nighthawk AXE7800 Tri-Band WiFi 6E Router V1.0.10.72 https://www.netgear.com/support/product/raxe300/ 

Models marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support. (source: CNA: NETGEAR)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: NETGEAR) — https://www.netgear.com/support/product/cax30/
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: NETGEAR) — https://www.netgear.com/support/product/rax5/
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: NETGEAR) — https://www.netgear.com/support/product/rax30/
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: NETGEAR) — https://www.netgear.com/support/product/raxe300/
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: NETGEAR) — https://kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory

## Affected products and versions

- NETGEAR / CAX30: ≥ 0; < V2.3.4.12 (affected, custom). Source: CNA: NETGEAR
- NETGEAR / RAX30: ≥ 0; < V1.0.14.108 (affected, custom). Source: CNA: NETGEAR
- NETGEAR / RAX5: ≥ 0; < V1.0.5.34 (affected, custom). Source: CNA: NETGEAR
- NETGEAR / RAXE300: ≥ 0; < V1.0.10.72 (affected, custom). Source: CNA: NETGEAR

## Severity and prioritization

- CVSS 4.0: 6.3 (medium); CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber; source: CNA: NETGEAR

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: CNA: NETGEAR

- CISA KEV: No listing in collected sources

- EPSS: 0.24% as of 2026-11-12; percentile 15.35%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-20

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.netgear.com/support/product/cax30/ (CNA: NETGEAR; product, patch)

- https://www.netgear.com/support/product/rax5/ (CNA: NETGEAR; product, patch)

- https://www.netgear.com/support/product/rax30/ (CNA: NETGEAR; product, patch)

- https://www.netgear.com/support/product/raxe300/ (CNA: NETGEAR; product, patch)

- https://kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory (CNA: NETGEAR; vendor-advisory, patch)

## Provenance

- CNA: NETGEAR: https://www.cve.org/CVERecord?id=CVE-2026-11732; retrieved 2026-11-13; source updated 2026-11-13

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-11732; retrieved 2026-11-13; source updated Not reported

Revision: 8a094bba2af7d52e6216e32160f99ef5cdbac5d1a935476b2ff34488b6575dd1

Canonical: https://y2.dev/cve/CVE-2026-11732

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