CVE-2026-11814

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Command Injection in NETGEAR Router Firmware

Publication date: 2026-08-11

Last updated on: 2026-09-09

Assigner: Netgear, Inc.

Description

A command injection vulnerability in the listed NETGEAR models allows a network-adjacent attacker with the ability to intercept and modify local network traffic (attacker-in-the-middle) to compromise the confidentiality and integrity of the affected device. This issue is limited to certain region-specific SKUs.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-11

Last Modified

2026-09-09

Generated

2026-09-21

AI Q&A

2026-08-11

EPSS Evaluated

2026-09-15

NVD

CVE-2026-11814

EUVD

EUVD-2026-56188

Affected Vendors & Products

Vendor	Product	Version / Range
netgear	be9300_firmware	to 1.0.1.84 (exc)
netgear	mr60_firmware	to 1.1.8.142 (exc)
netgear	ms60_firmware	to 1.1.8.142 (exc)
netgear	r6700ax_firmware	to 1.0.18.164 (exc)
netgear	rax10_firmware	to 1.0.5.50 (exc)
netgear	rax120_firmware	to 1.2.10.56 (exc)
netgear	rax120v2_firmware	to 1.2.10.56 (exc)
netgear	rax20_firmware	to 1.0.17.142 (exc)
netgear	rax28_firmware	to 1.0.14.108 (exc)
netgear	rax29_firmware	to 1.0.14.108 (exc)
netgear	rax30_firmware	to 1.0.14.108 (exc)
netgear	rax36s_firmware	to 1.0.5.50 (exc)
netgear	rax43_firmware	to 1.0.17.142 (exc)
netgear	rax45_firmware	to 1.0.17.142 (exc)
netgear	rax50_firmware	to 1.0.17.142 (exc)
netgear	rax70_firmware	to 1.0.19.172 (exc)
netgear	rbr760_firmware	to 6.3.8.11 (exc)
netgear	rbs760_firmware	to 6.3.8.11 (exc)
netgear	rs100_firmware	to 1.0.1.80 (exc)
netgear	rs200_firmware	to 1.0.1.90 (exc)
netgear	rs280_firmware	to 1.0.1.90 (exc)
netgear	rs300_firmware	to 1.0.1.90 (exc)
netgear	rs500_firmware	to 1.0.1.90 (exc)
netgear	rs600_firmware	to 1.0.1.90 (exc)
netgear	rs70_firmware	to 1.0.1.80 (exc)
netgear	rs90_firmware	to 1.0.1.80 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-77	The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CWE-295	The product does not validate, or incorrectly validates, a certificate.

Attack-Flow Graph

Executive Summary

This is a command injection vulnerability in specific NETGEAR models. It allows an attacker within the local network to intercept and modify traffic, potentially gaining control over the device. The issue is limited to certain region-specific versions of these models.

Detection Guidance

Detection requires monitoring network traffic for suspicious commands or modifications. Use packet sniffing tools like tcpdump or Wireshark to inspect local network traffic for unauthorized commands targeting NETGEAR devices. Check device logs for unusual activity or commands.

Impact Analysis

An attacker could exploit this to compromise the confidentiality and integrity of your device. This means they might access sensitive data, alter device settings, or disrupt its operations. The attack requires being on the same network as the device.

Compliance Impact

This vulnerability compromises the confidentiality and integrity of affected devices, which could lead to unauthorized access to sensitive data. For GDPR, this may result in violations of data protection requirements, particularly if personal data is exposed. For HIPAA, it could risk unauthorized disclosure of protected health information, potentially violating compliance.

Mitigation Strategies

Isolate affected NETGEAR devices from untrusted networks. Apply firmware updates if available. Monitor network traffic for signs of exploitation. Consider disabling remote management features until patches are applied.

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