CVE-2026-11736
Received Received - Intake

Stack-Based Buffer Overflow in NETGEAR Router Firmware

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Netgear, Inc.

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.

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Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-11736
EUVD
EUVD-2026-56195

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
netgear router *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

This is a stack-based buffer overflow vulnerability in certain NETGEAR router models. It allows an authenticated admin user to execute unauthorized modifications to the router's software and functionality by exploiting a flaw in memory handling.

Impact Analysis

An attacker with admin access could alter router settings, install malicious firmware, or disrupt network operations. This may lead to unauthorized network access, data interception, or denial of service for connected devices.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance penalties if routers handling sensitive data are compromised.

Mitigation Strategies

Immediately update NETGEAR router firmware to the latest version to patch the stack-based buffer overflow vulnerability. Restrict admin access to trusted users only and monitor network traffic for unauthorized modifications.

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