What is CVE-2017-18739?

CVE-2017-18739 is a vulnerability that affects certain NETGEAR devices, allowing an unauthenticated attacker to perform a buffer overflow attack.

Which NETGEAR devices are affected by CVE-2017-18739?

The NETGEAR devices affected by CVE-2017-18739 include R6220 (version before V1.1.0.50), R7800 (version before V1.0.2.36), WNDR3400v3 (version before 1.0.1.14), and WNDR3700v5 (version before V1.1.0.48).

What is the severity of CVE-2017-18739?

CVE-2017-18739 has a severity rating of 8.8 (high).

How can an attacker exploit CVE-2017-18739?

An unauthenticated attacker can exploit CVE-2017-18739 by performing a buffer overflow attack.

How can I fix CVE-2017-18739?

To fix CVE-2017-18739, Netgear has released firmware updates for the affected devices. It is recommended to update to the latest firmware version provided by Netgear.

Vulnerability/
CVE-2017-18739

high

8.8

CWE

120 119

23/4/2020

CVE-2017-18739: Buffer Overflow

First published: Thu Apr 23 2020(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Netgear R6220 Firmware	<1.1.0.50
NETGEAR R6220
NETGEAR R7800 firmware	<1.0.2.36
NETGEAR R7800
Netgear Wndr3400 Firmware	<1.0.1.14
NETGEAR Multiple Routers	=v3
Netgear Wndr3700 Firmware	<1.1.0.48
Netgear WNDR3700	=v5

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Reference Links

https://kb.netgear.com/000051516/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2017-0670

Frequently Asked Questions

What is CVE-2017-18739?
CVE-2017-18739 is a vulnerability that affects certain NETGEAR devices, allowing an unauthenticated attacker to perform a buffer overflow attack.
Which NETGEAR devices are affected by CVE-2017-18739?
The NETGEAR devices affected by CVE-2017-18739 include R6220 (version before V1.1.0.50), R7800 (version before V1.0.2.36), WNDR3400v3 (version before 1.0.1.14), and WNDR3700v5 (version before V1.1.0.48).
What is the severity of CVE-2017-18739?
CVE-2017-18739 has a severity rating of 8.8 (high).
How can an attacker exploit CVE-2017-18739?
An unauthenticated attacker can exploit CVE-2017-18739 by performing a buffer overflow attack.
How can I fix CVE-2017-18739?
To fix CVE-2017-18739, Netgear has released firmware updates for the affected devices. It is recommended to update to the latest firmware version provided by Netgear.

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