What is CVE-2020-15634?

CVE-2020-15634 is a vulnerability in NETGEAR R6700 routers that allows network-adjacent attackers to execute arbitrary code.

How can attackers exploit CVE-2020-15634?

Attackers can exploit CVE-2020-15634 by uploading a malicious string table file.

Is authentication required to exploit CVE-2020-15634?

No, authentication is not required to exploit CVE-2020-15634.

What is the severity of CVE-2020-15634?

CVE-2020-15634 has a severity rating of 6.3 (Medium).

How can I fix CVE-2020-15634?

To fix CVE-2020-15634, you should update the firmware of your NETGEAR R6700 router to version 1.0.4.98 or later.

Vulnerability/
CVE-2020-15634

medium

6.3

CWE

134

20/8/2020

24/8/2020

21/10/2023

CVE-2020-15634: NETGEAR R6700 httpd strtblupgrade Format String Remote Code Execution Vulnerability

First published: Thu Aug 20 2020(Updated: )

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of string table file uploads. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to execute code in the context of the web server.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
NETGEAR R6700
Netgear R6700 Firmware	<1.0.4.98
NETGEAR R6700	=v3

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Frequently Asked Questions

What is CVE-2020-15634?
CVE-2020-15634 is a vulnerability in NETGEAR R6700 routers that allows network-adjacent attackers to execute arbitrary code.
How can attackers exploit CVE-2020-15634?
Attackers can exploit CVE-2020-15634 by uploading a malicious string table file.
Is authentication required to exploit CVE-2020-15634?
No, authentication is not required to exploit CVE-2020-15634.
What is the severity of CVE-2020-15634?
CVE-2020-15634 has a severity rating of 6.3 (Medium).
How can I fix CVE-2020-15634?
To fix CVE-2020-15634, you should update the firmware of your NETGEAR R6700 router to version 1.0.4.98 or later.

collector/zdi-advisory
alias/ZDI-20-935
alias/ZDI-CAN-9755
alias/CVE-2020-15634
collector/nvd-index
agent/weakness
agent/references
agent/title
agent/severity
agent/author
agent/type
agent/tags
agent/event
agent/description
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
vendor/netgear
canonical/netgear r6700
canonical/netgear r6700 firmware
version/netgear r6700/v3

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