Is CVE-2021-29073 actively exploited?

No active exploitation of CVE-2021-29073 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-29073 be exploited remotely?

Partially. CVE-2021-29073 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2021-29073?

CVE-2021-29073 has a CVSS score of 8.4 (HIGH).

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HIGH

CVE-2021-29073

CWE-787Published: March 23, 2021· Updated: Jun 17, 2026

8.4

CVSS v3.1

Official Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R8000P before 1.4.1.66, MK62 before 1.0.6.110, MR60 before 1.0.6.110, MS60 before 1.0.6.110, R7960P before 1.4.1.66, R7900P before 1.4.1.66, RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, RAX80 before 1.0.3.106, and RAX200 before 1.0.3.106.

NVD Source

Technical Analysis

CVE-2021-29073 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 8.4.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.