Insufficient input validation in certain NETGEAR Nighthawk routers allows administrators to tamper with the device.
Summary
| CVE | CVE-2026-11738 |
|---|---|
| State | PUBLISHED |
| Assigner | NETGEAR |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-11 16:17:28 UTC |
| Updated | 2026-09-09 02:59:45 UTC |
| Description | Insufficient input validation vulnerability in the listed NETGEAR models allows authenticated administrators connected to the local network to make unauthorized modification to router software and functionality. |
Risk And Classification
Primary CVSS: v4.0 4.3 MEDIUM from a2826606-91e7-4eb6-899e-8484bd4575d5
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/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:N/R:U/V:D/RE:L/U:Amber
EPSS: 0.001970000 probability, percentile 0.094920000 (date 2026-08-31)
Problem Types: CWE-20 | CWE-20 CWE-20 Improper input validation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | a2826606-91e7-4eb6-899e-8484bd4575d5 | Secondary | 4.3 | MEDIUM | CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/C... |
| 4.0 | CNA | CVSS | 4.3 | MEDIUM | CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/A... |
| 3.1 | [email protected] | Primary | 4.4 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
CVSS v4.0 Breakdown
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/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:N/R:U/V:D/RE:L/U:Amber
CVSS v3.1 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Netgear | Be9300 | - | All | All | All |
| Operating System | Netgear | Be9300 Firmware | All | All | All | All |
| Hardware | Netgear | Mr60 | - | All | All | All |
| Operating System | Netgear | Mr60 Firmware | All | All | All | All |
| Hardware | Netgear | Ms60 | - | All | All | All |
| Operating System | Netgear | Ms60 Firmware | All | All | All | All |
| Hardware | Netgear | R6700ax | - | All | All | All |
| Operating System | Netgear | R6700ax Firmware | All | All | All | All |
| Hardware | Netgear | Rax10 | - | All | All | All |
| Operating System | Netgear | Rax10 Firmware | All | All | All | All |
| Hardware | Netgear | Rax120 | - | All | All | All |
| Hardware | Netgear | Rax120v2 | - | All | All | All |
| Operating System | Netgear | Rax120v2 Firmware | All | All | All | All |
| Operating System | Netgear | Rax120 Firmware | All | All | All | All |
| Hardware | Netgear | Rax20 | - | All | All | All |
| Operating System | Netgear | Rax20 Firmware | All | All | All | All |
| Hardware | Netgear | Rax28 | - | All | All | All |
| Operating System | Netgear | Rax28 Firmware | All | All | All | All |
| Hardware | Netgear | Rax29 | - | All | All | All |
| Operating System | Netgear | Rax29 Firmware | All | All | All | All |
| Hardware | Netgear | Rax30 | - | All | All | All |
| Operating System | Netgear | Rax30 Firmware | All | All | All | All |
| Hardware | Netgear | Rax36s | - | All | All | All |
| Operating System | Netgear | Rax36s Firmware | All | All | All | All |
| Hardware | Netgear | Rax43 | - | All | All | All |
| Operating System | Netgear | Rax43 Firmware | All | All | All | All |
| Hardware | Netgear | Rax45 | - | All | All | All |
| Operating System | Netgear | Rax45 Firmware | All | All | All | All |
| Hardware | Netgear | Rax50 | - | All | All | All |
| Operating System | Netgear | Rax50 Firmware | All | All | All | All |
| Hardware | Netgear | Rax70 | - | All | All | All |
| Operating System | Netgear | Rax70 Firmware | All | All | All | All |
| Hardware | Netgear | Rbr760 | - | All | All | All |
| Operating System | Netgear | Rbr760 Firmware | All | All | All | All |
| Hardware | Netgear | Rbs760 | - | All | All | All |
| Operating System | Netgear | Rbs760 Firmware | All | All | All | All |
| Hardware | Netgear | Rs100 | - | All | All | All |
| Operating System | Netgear | Rs100 Firmware | All | All | All | All |
| Hardware | Netgear | Rs200 | - | All | All | All |
| Operating System | Netgear | Rs200 Firmware | All | All | All | All |
| Hardware | Netgear | Rs280 | - | All | All | All |
| Operating System | Netgear | Rs280 Firmware | All | All | All | All |
| Hardware | Netgear | Rs300 | - | All | All | All |
| Operating System | Netgear | Rs300 Firmware | All | All | All | All |
| Hardware | Netgear | Rs500 | - | All | All | All |
| Operating System | Netgear | Rs500 Firmware | All | All | All | All |
| Hardware | Netgear | Rs600 | - | All | All | All |
| Operating System | Netgear | Rs600 Firmware | All | All | All | All |
| Hardware | Netgear | Rs70 | - | All | All | All |
| Operating System | Netgear | Rs70 Firmware | All | All | All | All |
| Hardware | Netgear | Rs90 | - | All | All | All |
| Operating System | Netgear | Rs90 Firmware | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory | a2826606-91e7-4eb6-899e-8484bd4575d5 | kb.netgear.com | Vendor Advisory |
| www.netgear.com/support/product/r7000 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | Product |
| www.netgear.com/support/product/rs700 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | Product |
| www.netgear.com/support/product/raxe500 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | Product |
| 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: fxc233 (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 VersionR7000 (EoS) Nighthawk AC1900 Smart WiFi Dual Band Gigabit RouterEOSRAXE500 Nighthawk AX12 12-Stream AXE11000 Tri-Band WiFi 6E Router V1.2.14.114 https://www.netgear.com/support/product/raxe500/ RS700 Nighthawk BE19000 WiFi 7 Tri-Band Router V1.0.7.66 https://www.netgear.com/support/product/rs700/ 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.