Vulnerability Monitor

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CVE-2021-45516


Certain NETGEAR devices are affected by denial of service. This affects R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, R8000 before 1.0.4.74, RBK852 before 3.2.10.11, RBR850 before 3.2.10.11, and RBS850 before 3.2.10.11.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.9, indicating it requires adjacent network access with relatively low complexity without requiring user interaction . The vulnerability impacts limited integrity, and availability (service disruption) for affected systems. Impacting 16 products from netgear, from netgear, from netgear and 13 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

2021-12-26T01:15:13.670

Last Modified

2024-11-21T06:32:23.850

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.9 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

5.1

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear r6400_firmware < 1.0.1.70 Yes
Hardware netgear r6400 - No
Operating System netgear r7000_firmware < 1.0.11.126 Yes
Hardware netgear r7000 - No
Operating System netgear r6900p_firmware < 1.3.3.140 Yes
Hardware netgear r6900p - No
Operating System netgear r7000p_firmware < 1.3.3.140 Yes
Hardware netgear r7000p - No
Operating System netgear r8000_firmware < 1.0.4.74 Yes
Hardware netgear r8000 - No
Operating System netgear rbk852_firmware < 3.2.10.11 Yes
Hardware netgear rbk852 - No
Operating System netgear rbr850_firmware < 3.2.10.11 Yes
Hardware netgear rbr850 - No
Operating System netgear rbs850_firmware < 3.2.10.11 Yes
Hardware netgear rbs850 - 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.