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CVE-2026-11733— Buffer overflow vulnerability in some NETGEAR Nighthawk routers

Quick assessment

Affected
NETGEAR RAX41
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NETGEAR rax41是美国NETGEAR公司的一款双频千兆无线路由器硬件。 NETGEAR RAX41存在缓冲区错误漏洞，该漏洞源于缓冲区溢出，可能导致设备管理员暂时中断受影响设备的正常运行。

CVSS 1.1 · Low EPSS 0.51% · P42

Affected Version Matrix 11

VendorProduct Version RangeStatus
NETGEAR RAX41 < V1.1.6.36 affected
NETGEAR RAX41v2 < V1.1.6.36 affected
NETGEAR RAX42 < V1.1.6.36 affected
NETGEAR RAX42v2 < V1.1.6.36 affected
NETGEAR RAX43 < V1.1.6.36 affected
NETGEAR RAX43v2 < V1.1.6.36 affected
NETGEAR RAX49S < V1.1.6.36 affected
NETGEAR RAX50 < V1.1.6.36 affected
NETGEAR RAX50v2 < V1.1.6.36 affected
NETGEAR RAX54S < V1.1.6.36 affected
NETGEAR RAX54Sv2 < V1.1.6.36 affected
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I. Basic Information for CVE-2026-11733

Vulnerability Information
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Vulnerability Title
Buffer overflow vulnerability in some NETGEAR Nighthawk routers
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
NETGEAR RAX41 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NETGEAR rax41是美国NETGEAR公司的一款双频千兆无线路由器硬件。 NETGEAR RAX41存在缓冲区错误漏洞，该漏洞源于缓冲区溢出，可能导致设备管理员暂时中断受影响设备的正常运行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NETGEAR RAX41 0 ~ V1.1.6.36 -
NETGEAR RAX41v2 0 ~ V1.1.6.36 -
NETGEAR RAX42 0 ~ V1.1.6.36 -
NETGEAR RAX42v2 0 ~ V1.1.6.36 -
NETGEAR RAX43 0 ~ V1.1.6.36 -
NETGEAR RAX43v2 0 ~ V1.1.6.36 -
NETGEAR RAX49S 0 ~ V1.1.6.36 -
NETGEAR RAX50 0 ~ V1.1.6.36 -
NETGEAR RAX50v2 0 ~ V1.1.6.36 -
NETGEAR RAX54S 0 ~ V1.1.6.36 -
NETGEAR RAX54Sv2 0 ~ V1.1.6.36 -

II. Public POCs for CVE-2026-11733

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III. Intelligence Information for CVE-2026-11733

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Vendor Advisories for CVE-2026-11733 (1)

Vendor Pages for CVE-2026-11733 (9)

Same Patch Batch · NETGEAR · 2026-08-11 · 9 CVEs total

CVE-2026-11814 4.9 MEDIUM Command injection vulnerability in certain NETGEAR Nighthawk and Orbi routers
CVE-2026-11739 4.9 MEDIUM Command injection vulnerability in some NETGEAR Nighthawk devices
CVE-2026-11737 4.3 MEDIUM Some NETGEAR Nighthawk devices allow administrators to tamper with the device
CVE-2026-11738 4.3 MEDIUM Insufficient input validation in certain NETGEAR Nighthawk routers allows administrators t
CVE-2026-9214 4.3 MEDIUM Insufficient input validation in NETGEAR R7000 router allows administrators to tamper with
CVE-2026-11735 1.9 LOW Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk models
CVE-2026-11736 1.9 LOW Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk routers
CVE-2026-11734 1.1 LOW Device administrator can interrupt the normal operation of some NETGEAR Nighthawk devices.

IV. Related Vulnerabilities

Same vendor: NETGEAR
Same weakness: CWE-121

V. Comments for CVE-2026-11733

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