CVE-2026-11734
Received Received - Intake

Authenticated Admin Buffer Overflow in NETGEAR Devices Causes Denial of Service

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Netgear, Inc.

Description
A buffer overflow vulnerability in the listed NETGEAR models allows an authenticated admin user to cause the affected device to become temporarily unavailable.

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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-2026-11734
EUVD
EUVD-2026-56191

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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Executive Summary

This is a buffer overflow vulnerability in certain NETGEAR models. It allows an authenticated admin user to cause the device to temporarily stop functioning.

Detection Guidance

Detection requires checking for affected NETGEAR models and monitoring for temporary unavailability. No specific commands are provided in the context. Review device logs for admin login anomalies or unexpected crashes.

Impact Analysis

An attacker with admin access could exploit this to make the device unavailable, disrupting network services temporarily.

Mitigation Strategies

Immediate mitigation includes restricting admin access to trusted users only and monitoring device performance for crashes. Apply any available firmware updates from NETGEAR if released.

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