Insufficient input validation vulnerability exists in website blocking feature of certain NETGEAR RAX/CAX series models

Summary

CVECVE-2026-11732
StatePUBLISHED
AssignerNETGEAR
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-13 15:17:43 UTC
Updated2026-10-16 14:17:24 UTC
DescriptionAn insufficient input validation vulnerability in the website blocking feature (Block Sites) of the listed NETGEAR router models allows a network-adjacent attacker having network access (such as WiFi 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.

Risk And Classification

Primary CVSS: v4.0 6.3 MEDIUM from a2826606-91e7-4eb6-899e-8484bd4575d5

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/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

EPSS: 0.002290000 probability, percentile 0.127440000 (date 2026-10-15)

Problem Types: CWE-20 | CWE-20 CWE-20 Improper input validation


VersionSourceTypeScoreSeverityVector
4.0a2826606-91e7-4eb6-899e-8484bd4575d5Secondary6.3MEDIUMCVSS: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/C...
4.0CNACVSS6.3MEDIUMCVSS: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...
3.1a2826606-91e7-4eb6-899e-8484bd4575d5Secondary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/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

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA NETGEAR CAX30 affected V2.3.4.12 custom Not specified
CNA NETGEAR RAX30 affected V1.0.14.108 custom Not specified
CNA NETGEAR RAX5 affected V1.0.5.34 custom Not specified
CNA NETGEAR RAXE300 affected V1.0.10.72 custom Not specified

References

ReferenceSourceLinkTags
www.netgear.com/support/product/cax30 a2826606-91e7-4eb6-899e-8484bd4575d5 www.netgear.com
www.netgear.com/support/product/rax5 a2826606-91e7-4eb6-899e-8484bd4575d5 www.netgear.com
kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory a2826606-91e7-4eb6-899e-8484bd4575d5 kb.netgear.com
www.netgear.com/support/product/rax30 a2826606-91e7-4eb6-899e-8484bd4575d5 www.netgear.com
www.netgear.com/support/product/raxe300 a2826606-91e7-4eb6-899e-8484bd4575d5 www.netgear.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: kaoken (en)

Additional Advisory Data

Solutions

CNA: 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 (EoS) 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.

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