CVE-2020-10923: High severity Netgear R6700 firmware vulnerability

Published Jul 28, 2020

Updated

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700 V1.0.4.8410.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000. A crafted UPnP message can be used to bypass authentication. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-9642.

Affected Software

2 affected components

Netgear R6700 firmware=1.0.4.84_10.0.58

Netgear R6700

Event History

Jul 28, 2020

CVE Published

via MITRE·05:10 PM

Data Sourced

via MITRE·05:10 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2020-10923?

CVE-2020-10923 has a high severity rating due to its ability to allow unauthorized access to sensitive router functions.

How do I fix CVE-2020-10923?

To fix CVE-2020-10923, upgrade the NETGEAR R6700 firmware to the latest version available from the manufacturer.

Can CVE-2020-10923 be exploited remotely?

Yes, CVE-2020-10923 can be exploited by network-adjacent attackers without any need for authentication.

What devices are affected by CVE-2020-10923?

CVE-2020-10923 specifically affects NETGEAR R6700 routers running firmware version 1.0.4.84_10.0.58.

What services are involved in CVE-2020-10923?

The vulnerability in CVE-2020-10923 exists within the UPnP service listening on TCP port 5000.