What is the vulnerability ID for this stack-based buffer overflow?

The vulnerability ID for this stack-based buffer overflow is CVE-2018-21171.

Which NETGEAR devices are affected by this vulnerability?

This vulnerability affects certain NETGEAR devices including D6100 before 1.0.0.57, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.98.

What is the severity level of CVE-2018-21171?

CVE-2018-21171 has a severity level of 6.8 (medium).

How does this vulnerability occur?

This vulnerability occurs due to a stack-based buffer overflow caused by an authenticated user.

How can I fix the vulnerability in my NETGEAR device?

To fix the vulnerability in your NETGEAR device, you should update the firmware to the latest available version.

Vulnerability/
CVE-2018-21171

medium

6.8

CWE

787 119

27/4/2020

5/8/2024

CVE-2018-21171: Buffer Overflow

First published: Mon Apr 27 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.98.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
NETGEAR R7800 firmware	<1.0.2.40
NETGEAR R7800
NETGEAR R9000 firmware	<1.0.2.40
NETGEAR R9000 firmware
NETGEAR D6100 firmware	<1.0.0.57
NETGEAR D6100 firmware
NETGEAR WNDR3700 firmware	<1.0.2.92
NETGEAR WNDR3700v4	=v4
NETGEAR WNDR4300v2 firmware	<1.0.2.98
NETGEAR wndr4300v2

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Reference Links

https://kb.netgear.com/000055187/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2632

Frequently Asked Questions

What is the vulnerability ID for this stack-based buffer overflow?
The vulnerability ID for this stack-based buffer overflow is CVE-2018-21171.
Which NETGEAR devices are affected by this vulnerability?
This vulnerability affects certain NETGEAR devices including D6100 before 1.0.0.57, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.98.
What is the severity level of CVE-2018-21171?
CVE-2018-21171 has a severity level of 6.8 (medium).
How does this vulnerability occur?
This vulnerability occurs due to a stack-based buffer overflow caused by an authenticated user.
How can I fix the vulnerability in my NETGEAR device?
To fix the vulnerability in your NETGEAR device, you should update the firmware to the latest available version.

agent/type
collector/mitre-cve
source/MITRE
agent/weakness
agent/references
agent/last-modified-date
agent/author
agent/severity
agent/first-publish-date
agent/description
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/netgear
canonical/netgear r7800 firmware
canonical/netgear r7800
canonical/netgear r9000 firmware
canonical/netgear d6100 firmware
canonical/netgear wndr3700 firmware
canonical/netgear wndr3700v4
version/netgear wndr3700v4/v4
canonical/netgear wndr4300v2 firmware
canonical/netgear wndr4300v2

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