Vulnerability Monitor

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CVE-2021-45550

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.6, indicating it requires adjacent network access with relatively low complexity though user interaction is required . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 56 products from netgear, from netgear, from netgear and 53 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

2021-12-26T01:15:15.367

Last Modified

2024-11-21T06:32:29.523

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.6 (MEDIUM)

CVSSv2 Vector

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

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

5.1

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-77
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear d3600_firmware < 1.0.0.76 Yes
Hardware netgear d3600 - No
Operating System netgear d6000_firmware < 1.0.0.78 Yes
Hardware netgear d6000 - No
Operating System netgear d6100_firmware < 1.0.0.63 Yes
Hardware netgear d6100 - No
Operating System netgear d6220_firmware < 1.0.0.52 Yes
Hardware netgear d6220 - No
Operating System netgear d6400_firmware < 1.0.0.86 Yes
Hardware netgear d6400 - No
Operating System netgear d7800_firmware < 1.0.1.56 Yes
Hardware netgear d7800 - No
Operating System netgear d8500_firmware < 1.0.3.44 Yes
Hardware netgear d8500 - No
Operating System netgear dgn2200b_firmware < 1.0.0.109 Yes
Hardware netgear dgn2200b v4 No
Operating System netgear dgn2200_firmware < 1.0.0.110 Yes
Hardware netgear dgn2200 v4 No
Operating System netgear r6250_firmware < 1.0.4.34 Yes
Hardware netgear r6250 - No
Operating System netgear r6300_firmware < 1.0.4.34 Yes
Hardware netgear r6300 v2 No
Operating System netgear r6400_firmware < 1.0.1.46 Yes
Hardware netgear r6400 - No
Operating System netgear r6400_firmware < 1.0.2.66 Yes
Hardware netgear r6400 v2 No
Operating System netgear r6700_firmware < 1.0.2.6 Yes
Hardware netgear r6700 - No
Operating System netgear r6700_firmware < 1.0.2.66 Yes
Hardware netgear r6700 v3 No
Operating System netgear r6900_firmware < 1.0.2.4 Yes
Hardware netgear r6900 - No
Operating System netgear r6900p_firmware < 1.3.1.64 Yes
Hardware netgear r6900p - No
Operating System netgear r7000_firmware < 1.0.9.42 Yes
Hardware netgear r7000 - No
Operating System netgear r7000p_firmware < 1.3.1.64 Yes
Hardware netgear r7000p - No
Operating System netgear r7100lg_firmware < 1.0.0.50 Yes
Hardware netgear r7100lg - No
Operating System netgear r7300_firmware < 1.0.0.70 Yes
Hardware netgear r7300 - No
Operating System netgear r7900_firmware < 1.0.3.8 Yes
Hardware netgear r7900 - No
Operating System netgear r7900p_firmware < 1.4.1.30 Yes
Hardware netgear r7900p - No
Operating System netgear r8000_firmware < 1.0.4.28 Yes
Hardware netgear r8000 - No
Operating System netgear r8000p_firmware < 1.4.1.30 Yes
Hardware netgear r8000p - No
Operating System netgear r8300_firmware < 1.0.2.128 Yes
Hardware netgear r8300 - No
Operating System netgear r8500_firmware < 1.0.2.128 Yes
Hardware netgear r8500 - No
Operating System netgear wndr3400_firmware < 1.0.1.24 Yes
Hardware netgear wndr3400 v3 No
Operating System netgear wnr3500l_firmware < 1.2.0.62 Yes
Hardware netgear wnr3500l v2 No
Operating System netgear xr500_firmware < 2.3.2.56 Yes
Hardware netgear xr500 - 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.