Is CVE-2020-10923 actively exploited?

No active exploitation of CVE-2020-10923 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-10923 be exploited remotely?

Partially. CVE-2020-10923 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2020-10923?

CVE-2020-10923 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2020-10923

CWE-305Published: July 28, 2020· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 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.

NVD Source

Technical Analysis

CVE-2020-10923 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.