What is CVE-2017-18726?

CVE-2017-18726 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-2017-18726?

CVE-2017-18726 has a severity rating of 8.8, which is considered high.

How does CVE-2017-18726 impact the affected devices?

CVE-2017-18726 allows an unauthenticated attacker to exploit a stack-based buffer overflow on the affected NETGEAR devices, potentially leading to arbitrary code execution.

How can I fix CVE-2017-18726?

To fix CVE-2017-18726, it is recommended to update the firmware of the affected NETGEAR devices to versions 1.0.0.30 (for R6020 and R6080) or 1.1.0.42 (for R6700v2, R6800, and R6900v2).

Vulnerability/
CVE-2017-18726

high

8.8

CWE

787 119

24/4/2020

28/4/2020

CVE-2017-18726: Buffer Overflow

Q: Which NETGEAR devices are affected by CVE-2017-18726?

CVE-2017-18726 affects the following NETGEAR devices: R6020 before 1.0.0.30, R6080 before 1.0.0.30, R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42.

First published: Fri Apr 24 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6020 before 1.0.0.30, R6080 before 1.0.0.30, R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Netgear R6020 Firmware	<1.0.0.30
NETGEAR R6020
Netgear R6700 Firmware	<1.1.0.42
NETGEAR R6700	=v2
Netgear R6800 Firmware	<1.1.0.42
Netgear R6800
Netgear R6900 Firmware	<1.1.0.42
Netgear R6900	=v2
Netgear R6080 Firmware	<1.0.0.30
Netgear R6080

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Reference Links

https://kb.netgear.com/000051529/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2139

Frequently Asked Questions

What is CVE-2017-18726?
CVE-2017-18726 is a vulnerability that affects certain NETGEAR devices and allows an unauthenticated attacker to perform a stack-based buffer overflow.
Which NETGEAR devices are affected by CVE-2017-18726?
CVE-2017-18726 affects the following NETGEAR devices: R6020 before 1.0.0.30, R6080 before 1.0.0.30, R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42.
What is the severity of CVE-2017-18726?
CVE-2017-18726 has a severity rating of 8.8, which is considered high.
How does CVE-2017-18726 impact the affected devices?
CVE-2017-18726 allows an unauthenticated attacker to exploit a stack-based buffer overflow on the affected NETGEAR devices, potentially leading to arbitrary code execution.
How can I fix CVE-2017-18726?
To fix CVE-2017-18726, it is recommended to update the firmware of the affected NETGEAR devices to versions 1.0.0.30 (for R6020 and R6080) or 1.1.0.42 (for R6700v2, R6800, and R6900v2).

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