CVE-2019-20740: Buffer Overflow

Published Apr 16, 2020
·
Updated

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects DGN2200v4 before 1.0.0.110, DGND2200Bv4 before 1.0.0.109, R7300 before 1.0.0.70, R8300 before 1.0.2.130, and R8500 before 1.0.2.130.

Affected Software

10 affected components
Netgear Dgn2200 Firmware<1.0.0.110
Netgear DGN2200=v4
Netgear Dgnd2200b Firmware<1.0.0.109
Netgear DGND2200B=v4
Netgear R7300 Firmware<1.0.0.70
Netgear R7300
Netgear R8300 Firmware<1.0.2.130
Netgear R8300
Netgear R8500 Firmware<1.0.2.130
Netgear R8500

Event History

Apr 16, 2020
CVE Published
via MITRE·07:19 PM
Data Sourced
via MITRE·07:19 PM
DescriptionSeverity
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Frequently Asked Questions

1

Which NETGEAR devices are affected by CVE-2019-20740?

DGN2200v4, DGND2200Bv4, R7300, R8300, and R8500 are affected by CVE-2019-20740.

2

What is the severity level of CVE-2019-20740?

The severity level of CVE-2019-20740 is medium with a rating of 6.8.

3

How can an authenticated user exploit the vulnerability in CVE-2019-20740?

An authenticated user can exploit the stack-based buffer overflow vulnerability in CVE-2019-20740.

4

What is the fix for CVE-2019-20740?

Ensure that you have installed the latest firmware version for the affected NETGEAR devices.

5

Where can I find more information about CVE-2019-20740?

You can find more information about CVE-2019-20740 in the Netgear security advisory: [https://kb.netgear.com/000060976/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2018-0258](https://kb.netgear.com/000060976/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2018-0258).

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