Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-38520


Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.52, R6400v2 before 1.0.4.84, R6700v3 before 1.0.4.84, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, and R7000P before 1.3.2.124.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.6, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 8 products from netgear, from netgear, from netgear and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-08-11T00:15:45.320

Last Modified

2024-11-21T06:17:19.070

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.6 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-77

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear r6400_firmware < 1.0.1.52 Yes
Hardware netgear r6400 - No
Operating System netgear r6400_firmware < 1.0.4.84 Yes
Hardware netgear r6400 v2 No
Operating System netgear r6700_firmware < 1.2.0.62 Yes
Hardware netgear r6700 v2 No
Operating System netgear r6900_firmware < 1.2.0.62 Yes
Hardware netgear r6900 v2 No
Operating System netgear r7000p_firmware < 1.3.2.124 Yes
Hardware netgear r7000p - No
Operating System netgear r6700_firmware < 1.0.4.84 Yes
Hardware netgear r6700 v3 No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For netgear's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.