Vulnerability Monitor

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CVE-2018-21114

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.44, EX6150v2 before 1.0.1.70, EX6100v2 before 1.0.1.70, EX6200v2 before 1.0.1.64, EX7300 before 1.0.2.136, EX6400 before 1.0.2.136, R6100 before 1.0.1.16, R7500 before 1.0.0.110, R7800 before 1.0.2.32, R9000 before 1.0.4.12, WN3000RPv2 before 1.0.0.56, WN3000RPv3 before 1.0.2.52, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.8, indicating it requires adjacent network access with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 26 products from netgear, from netgear, from netgear and 23 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, 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

2020-04-22T15:15:13.537

Last Modified

2024-11-21T04:02:56.130

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (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-74
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear d7800_firmware < 1.0.1.44 Yes
Hardware netgear d7800 - No
Operating System netgear ex6150_firmware < 1.0.1.70 Yes
Hardware netgear ex6150 v2 No
Operating System netgear ex6100_firmware < 1.0.1.70 Yes
Hardware netgear ex6100 v2 No
Operating System netgear ex6200_firmware < 1.0.1.64 Yes
Hardware netgear ex6200 v2 No
Operating System netgear ex7300_firmware < 1.0.2.136 Yes
Hardware netgear ex7300 - No
Operating System netgear ex6400_firmware < 1.0.2.136 Yes
Hardware netgear ex6400 - No
Operating System netgear r6100_firmware < 1.0.1.16 Yes
Hardware netgear r6100 - No
Operating System netgear r7500_firmware < 1.0.0.110 Yes
Hardware netgear r7500 - No
Operating System netgear r7800_firmware < 1.0.2.32 Yes
Hardware netgear r7800 - No
Operating System netgear r9000_firmware < 1.0.4.12 Yes
Hardware netgear r9000 - No
Operating System netgear wn3000rp_firmware < 1.0.0.56 Yes
Hardware netgear wn3000rp v2 No
Operating System netgear wn3000rp_firmware < 1.0.2.52 Yes
Hardware netgear wn3000rp v3 No
Operating System netgear wndr4300_firmware < 1.0.0.50 Yes
Hardware netgear wndr4300 v2 No
Operating System netgear wndr4500_firmware < 1.0.0.50 Yes
Hardware netgear wndr4500 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.