Description
A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.
Published: 2026-08-11
Score: 1.9 Low
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

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 VersionRAX20 (EoS) 4-Stream AX1800 WiFi 6 RouterEoSRAX35v2 Nighthawk AX4 4-Stream AX3000 WiFi 6 Router V1.0.16.132 https://www.netgear.com/support/product/rax35v2/ RAX41 (EoS) Nighthawk AX5 5-Stream AX3600 WiFi RouterEoSRAX41v2 Nighthawk AX5 5-Stream AX3600 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax41v2/ RAX42 (EoS) Nighthawk AX5 5-Stream AX4200 WiFi RouterEoSRAX42v2 Nighthawk AX5 5-Stream AX4200 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax42v2/ RAX43 Nighthawk AX5 5-Stream AX4200 WiFi Router V1.0.16.132 https://www.netgear.com/support/product/rax43/ RAX43v2 Nighthawk AX5 5-Stream AX4200 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax43v2/ RAX45 (EoS) Nighthawk AX6 6-Stream AX4300 WiFi RouterEoSRAX49S Nighthawk AX6 6-Stream AX5300 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax49s/ RAX50 Nighthawk AX6 6-Stream AX5400 WiFi 6 Router V1.0.16.132 https://www.netgear.com/support/product/rax50/ RAX50S (EoS) Nighthawk AX6 6-Stream AX5400 WiFi 6 RouterEoSRAX50v2 Nighthawk AX6 6-Stream AX5400 WiFi 6 Router V1.1.4.28 https://www.netgear.com/support/product/rax50v2/ RAX54Sv2 Nighthawk AX6 6-Stream AX5400 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax54sv2/ RAX54v2 Nighthawk AX6 6-Stream AX5400 WiFi RouterV1.1.4.28RAXE450 (EoS) Nighthawk AXE10000 Tri-Band WiFi 6E RouterEoSRAXE500 Nighthawk AX12 12-Stream AXE11000 Tri-Band WiFi 6E Router V1.2.14.114 https://www.netgear.com/support/product/raxe500/ XR1000 Nighthawk WiFi 6 Pro Gaming Router V1.1.0.22 https://www.netgear.com/support/product/xr1000/ XR1000v2 Nighthawk WiFi 6 Pro Gaming Router V1.1.0.22 https://www.netgear.com/support/product/xr1000v2/ 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.

Tracking

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Advisories

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History

Tue, 11 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 11 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Description A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.
Title Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk routers
First Time appeared Netgear
Netgear rax20
Netgear rax35v2
Netgear rax41
Netgear rax41v2
Netgear rax42
Netgear rax42v2
Netgear rax43
Netgear rax43v2
Netgear rax45
Netgear rax49s
Netgear rax50
Netgear rax50s
Netgear rax50v2
Netgear rax54sv2
Netgear rax54v2
Netgear raxe450
Netgear raxe500
Netgear xr1000
Netgear xr1000v2
Weaknesses CWE-20
CPEs cpe:2.3:a:netgear:rax20:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax35v2:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax41:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax41v2:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax42:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax42v2:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax43:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax43v2:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax45:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax49s:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax50:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax50s:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax50v2:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax54sv2:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:rax54v2:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:raxe450:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:raxe500:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:xr1000:*:*:*:*:*:*:*:*
cpe:2.3:a:netgear:xr1000v2:*:*:*:*:*:*:*:*
Vendors & Products Netgear
Netgear rax20
Netgear rax35v2
Netgear rax41
Netgear rax41v2
Netgear rax42
Netgear rax42v2
Netgear rax43
Netgear rax43v2
Netgear rax45
Netgear rax49s
Netgear rax50
Netgear rax50s
Netgear rax50v2
Netgear rax54sv2
Netgear rax54v2
Netgear raxe450
Netgear raxe500
Netgear xr1000
Netgear xr1000v2
References
Metrics cvssV4_0

{'score': 1.9, 'vector': 'CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber'}
cve-icon MITRE

Status: PUBLISHED

Assigner: NETGEAR

Published:

Updated: 2026-08-11T17:07:37.657Z

Reserved: 2026-06-09T02:46:45.370Z

Link: CVE-2026-11736

cve-icon Vulnrichment

Updated: 2026-08-11T17:07:12.282Z

cve-icon NVD

Status : Received

Published: 2026-08-11T16:17:27.653

Modified: 2026-08-11T17:17:45.057

Link: CVE-2026-11736

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-20

    Improper Input Validation