Vulnerability Monitor

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CVE-2021-45642


Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.64, EX6250 before 1.0.0.134, EX7700 before 1.0.0.222, LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, R8900 before 1.0.5.26, R9000 before 1.0.5.26, XR450 before 2.3.2.66, XR500 before 2.3.2.66, XR700 before 1.0.1.36, EX7320 before 1.0.0.134, RAX120 before 1.2.2.24, EX7300v2 before 1.0.0.134, RAX120v2 before 1.2.2.24, EX6410 before 1.0.0.134, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, EX6420 before 1.0.0.134, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, EX6400v2 before 1.0.0.134, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction . The vulnerability impacts limited data confidentiality, integrity (unauthorized modifications), and limited availability for affected systems. Impacting 57 products from netgear, from netgear, from netgear and 54 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

2021-12-26T01:15:19.737

Last Modified

2024-11-21T06:32:45.523

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear d7800_firmware < 1.0.1.64 Yes
Hardware netgear d7800 - No
Operating System netgear ex6250_firmware < 1.0.0.134 Yes
Hardware netgear ex6250 - No
Operating System netgear ex7700_firmware < 1.0.0.222 Yes
Hardware netgear ex7700 - No
Operating System netgear lbr20_firmware < 2.6.3.50 Yes
Hardware netgear lbr20 - No
Operating System netgear rbs50y_firmware < 2.7.3.22 Yes
Hardware netgear rbs50y - No
Operating System netgear rbs50_firmware < 2.7.3.22 Yes
Operating System netgear rbs50y_firmware 2.7.3.22 No
Operating System netgear rbs20_firmware < 2.7.3.22 Yes
Hardware netgear rbs20 - No
Operating System netgear rbs10_firmware < 2.7.3.22 Yes
Hardware netgear rbs10 - No
Operating System netgear rbs40_firmware < 2.7.3.22 Yes
Hardware netgear rbs40 - No
Operating System netgear r8900_firmware < 1.0.5.26 Yes
Hardware netgear r8900 - No
Operating System netgear r9000_firmware < 1.0.5.26 Yes
Hardware netgear r9000 - No
Operating System netgear xr450_firmware < 2.3.2.66 Yes
Hardware netgear xr450 - No
Operating System netgear xr500_firmware < 2.3.2.66 Yes
Hardware netgear xr500 - No
Operating System netgear xr700_firmware < 1.0.1.36 Yes
Hardware netgear xr700 - No
Operating System netgear ex7320_firmware < 1.0.0.134 Yes
Hardware netgear ex7320 - No
Operating System netgear rax120_firmware < 1.2.2.24 Yes
Hardware netgear rax120 - No
Operating System netgear ex7300v2_firmware < 1.0.0.134 Yes
Hardware netgear ex7300v2 - No
Operating System netgear rax120v2_firmware < 1.2.2.24 Yes
Hardware netgear rax120v2 - No
Operating System netgear ex6410_firmware < 1.0.0.134 Yes
Hardware netgear ex6410 - No
Operating System netgear ex6420_firmware < 1.0.0.134 Yes
Hardware netgear ex6420 - No
Operating System netgear ex6400v2_firmware < 1.0.0.134 Yes
Hardware netgear ex6400v2 - No
Operating System netgear rbr10_firmware < 2.7.3.22 Yes
Hardware netgear rbr10 - No
Operating System netgear rbr20_firmware < 2.7.3.22 Yes
Hardware netgear rbr20 - No
Operating System netgear rbr40_firmware < 2.7.3.22 Yes
Hardware netgear rbr40 - No
Operating System netgear rbr50_firmware < 2.7.3.22 Yes
Hardware netgear rbr50 - No
Operating System netgear rbk12_firmware < 2.7.3.22 Yes
Hardware netgear rbk12 - No
Operating System netgear rbk20_firmware < 2.7.3.22 Yes
Hardware netgear rbk20 - No
Operating System netgear rbk40_firmware < 2.7.3.22 Yes
Hardware netgear rbk40 - No
Operating System netgear rbk50_firmware < 2.7.3.22 Yes
Hardware netgear rbk50 - 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.