What is CVE-2019-20685?

CVE-2019-20685 is a vulnerability that affects certain NETGEAR devices and allows an unauthenticated attacker to perform a stack-based buffer overflow.

What is the severity of CVE-2019-20685?

The severity of CVE-2019-20685 is high with a severity value of 8.8.

Which NETGEAR devices are affected by CVE-2019-20685?

The NETGEAR devices affected by CVE-2019-20685 include D3600, D6000, D6200, D7000, DM200, JR6150, PR2000, and R6020.

How can an unauthenticated attacker exploit CVE-2019-20685?

An unauthenticated attacker can exploit CVE-2019-20685 by performing a stack-based buffer overflow.

How can I fix CVE-2019-20685?

To fix CVE-2019-20685, it is recommended to upgrade the firmware of the affected NETGEAR devices to the specified fixed versions.

Vulnerability/
CVE-2019-20685

high

8.8

CWE

787 119

16/4/2020

21/4/2020

CVE-2019-20685: Buffer Overflow

First published: Thu Apr 16 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6200 before 1.1.00.32, D7000 before 1.0.1.68, DM200 before 1.0.0.58, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, WNR2020 before 1.1.0.62, and XR500 before 2.3.2.32.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Netgear D3600 Firmware	<1.0.0.75
NETGEAR D3600
Netgear D6000 Firmware	<1.0.0.75
Netgear D6000
Netgear D6200 Firmware	<1.1.00.32
Netgear D6200
Netgear D7000 Firmware	<1.0.1.68
NETGEAR D7000
Netgear Jr6150 Firmware	<1.0.1.18
Netgear Jr6150
Netgear Pr2000 Firmware	<1.0.0.28
Netgear Pr2000
Netgear R6020 Firmware	<1.0.0.38
NETGEAR R6020
Netgear R6050 Firmware	<1.0.1.18
Netgear R6050
Netgear R6080 Firmware	<1.0.0.38
Netgear R6080
Netgear R6120 Firmware	<1.0.0.46
NETGEAR R6120
Netgear R6220 Firmware	<1.1.0.80
NETGEAR R6220
Netgear R6260 Firmware	<1.1.0.40
NETGEAR R6260
Netgear R6700 Firmware	<1.2.0.36
NETGEAR R6700	=v2
Netgear R6800 Firmware	<1.2.0.36
Netgear R6800
Netgear R6900 Firmware	<1.2.0.36
Netgear R6900	=v2
Netgear Wnr2020 Firmware	<1.1.0.62
Netgear Wnr2020
Netgear Xr500 Firmware	<2.3.2.32
NETGEAR XR500
Netgear Dm200 Firmware	<1.0.0.58
Netgear Dm200

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Reference Links

https://kb.netgear.com/000061454/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Modems-PSV-2018-0295

Frequently Asked Questions

What is CVE-2019-20685?
CVE-2019-20685 is a vulnerability that affects certain NETGEAR devices and allows an unauthenticated attacker to perform a stack-based buffer overflow.
What is the severity of CVE-2019-20685?
The severity of CVE-2019-20685 is high with a severity value of 8.8.
Which NETGEAR devices are affected by CVE-2019-20685?
The NETGEAR devices affected by CVE-2019-20685 include D3600, D6000, D6200, D7000, DM200, JR6150, PR2000, and R6020.
How can an unauthenticated attacker exploit CVE-2019-20685?
An unauthenticated attacker can exploit CVE-2019-20685 by performing a stack-based buffer overflow.
How can I fix CVE-2019-20685?
To fix CVE-2019-20685, it is recommended to upgrade the firmware of the affected NETGEAR devices to the specified fixed versions.