What is the severity of CVE-2018-21207?

The severity of CVE-2018-21207 is high with a severity value of 8.8.

How does CVE-2018-21207 affect NETGEAR devices?

CVE-2018-21207 affects certain NETGEAR devices by allowing an unauthenticated attacker to execute a stack-based buffer overflow.

Which NETGEAR devices are affected by CVE-2018-21207?

The following NETGEAR devices are affected by CVE-2018-21207: D3600, D6000, D7800, EX2700, R6100, R7500, R7500v2, and R7800.

How can I mitigate the vulnerability in NETGEAR devices?

To mitigate the vulnerability in NETGEAR devices, ensure that you have the latest firmware installed and regularly check for firmware updates from NETGEAR.

Where can I find more information about CVE-2018-21207?

You can find more information about CVE-2018-21207 on the NETGEAR security advisory page: https://kb.netgear.com/000055142/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2566

Vulnerability/
CVE-2018-21207

high

8.8

CWE

787 119

28/4/2020

5/8/2024

CVE-2018-21207: Buffer Overflow

First published: Tue Apr 28 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D7800 before 1.0.1.30, EX2700 before 1.0.1.28, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, WN3100RPv2 before 1.0.0.56, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Netgear D3600 Firmware	<1.0.0.67
NETGEAR D3600
Netgear D6000 Firmware	<1.0.0.67
Netgear D6000
Netgear D7800 Firmware	<1.0.1.30
Netgear D7800
Netgear Ex2700 Firmware	<1.0.1.28
Netgear Ex2700
Netgear R6100 Firmware	<1.0.1.20
Netgear R6100
Netgear R7500 Firmware	<1.0.0.118
Netgear R7500
Netgear R7500 Firmware	<1.0.3.24
Netgear R7500	=v2
NETGEAR R7800 firmware	<1.0.2.40
NETGEAR R7800
Netgear R900 Firmware	<1.0.2.52
Netgear R900
Netgear Wn2000rpt Firmware	<1.0.1.20
Netgear Wn2000rpt	=v3
Netgear Wn3000rp Firmware	<1.0.2.50
Netgear Wn3000rp	=v3
Netgear Wn3100rp Firmware	<1.0.0.56
Netgear Wn3100rp	=v2
Netgear Wndr3700 Firmware	<1.0.2.96
Netgear WNDR3700	=v4
Netgear Wndr4300 Firmware	<1.0.2.98
Netgear Wndr4300
Netgear Wndr4300 Firmware	<1.0.0.50
Netgear Wndr4300	=v2
Netgear Wndr4500 Firmware	<1.0.0.50
Netgear WNDR4500	=v3

Never miss a vulnerability like this again

Reference Links

https://kb.netgear.com/000055142/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2566

Frequently Asked Questions

What is the severity of CVE-2018-21207?
The severity of CVE-2018-21207 is high with a severity value of 8.8.
How does CVE-2018-21207 affect NETGEAR devices?
CVE-2018-21207 affects certain NETGEAR devices by allowing an unauthenticated attacker to execute a stack-based buffer overflow.
Which NETGEAR devices are affected by CVE-2018-21207?
The following NETGEAR devices are affected by CVE-2018-21207: D3600, D6000, D7800, EX2700, R6100, R7500, R7500v2, and R7800.
How can I mitigate the vulnerability in NETGEAR devices?
To mitigate the vulnerability in NETGEAR devices, ensure that you have the latest firmware installed and regularly check for firmware updates from NETGEAR.
Where can I find more information about CVE-2018-21207?
You can find more information about CVE-2018-21207 on the NETGEAR security advisory page: https://kb.netgear.com/000055142/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2566