Vulnerability Monitor

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CVE-2021-38525

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D6200 before 1.1.00.36, D7000 before 1.0.1.70, EX6200v2 before 1.0.1.78, EX7000 before 1.0.1.78, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.42, R6050 before 1.0.1.18, R6080 before 1.0.0.42, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.64, R6300v2 before 1.0.4.34, R6700 before 1.0.2.6, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R6900v2 before 1.2.0.36, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7800 before 1.0.2.60, R8900 before 1.0.4.12, R9000 before 1.0.4.12, and XR500 before 2.3.2.40.

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 52 products from netgear, from netgear, from netgear and 49 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

2021-08-11T00:16:09.323

Last Modified

2024-11-21T06:17:20.193

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (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-787
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 < 1.0.0.76 Yes
Hardware netgear d6000 - No
Operating System netgear d6200_firmware < 1.1.00.36 Yes
Hardware netgear d6200 - No
Operating System netgear d7000_firmware < 1.0.1.70 Yes
Hardware netgear d7000 - No
Operating System netgear ex6200_firmware < 1.0.1.78 Yes
Hardware netgear ex6200 v2 No
Operating System netgear ex7000_firmware < 1.0.1.78 Yes
Hardware netgear ex7000 - No
Operating System netgear ex8000_firmware < 1.0.1.186 Yes
Hardware netgear ex8000 - No
Operating System netgear jr6150_firmware < 1.0.1.18 Yes
Hardware netgear jr6150 - No
Operating System netgear pr2000_firmware < 1.0.0.28 Yes
Hardware netgear pr2000 - No
Operating System netgear r6020_firmware < 1.0.0.42 Yes
Hardware netgear r6020 - No
Operating System netgear r6050_firmware < 1.0.1.18 Yes
Hardware netgear r6050 - No
Operating System netgear r6080_firmware < 1.0.0.42 Yes
Hardware netgear r6080 - No
Operating System netgear r6120_firmware < 1.0.0.46 Yes
Hardware netgear r6120 - No
Operating System netgear r6220_firmware < 1.1.0.80 Yes
Hardware netgear r6220 - No
Operating System netgear r6260_firmware < 1.1.0.64 Yes
Hardware netgear r6260 - No
Operating System netgear r6300_firmware < 1.0.4.34 Yes
Hardware netgear r6300 v2 No
Operating System netgear r6700_firmware < 1.0.2.6 Yes
Hardware netgear r6700 - No
Operating System netgear r6700_firmware < 1.2.0.36 Yes
Hardware netgear r6700 v2 No
Operating System netgear r6800_firmware < 1.2.0.36 Yes
Hardware netgear r6800 - 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 r6900_firmware < 1.2.0.36 Yes
Hardware netgear r6900 v2 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 r7800_firmware < 1.0.2.60 Yes
Hardware netgear r7800 - No
Operating System netgear r8900_firmware < 1.0.4.12 Yes
Hardware netgear r8900 - No
Operating System netgear r9000_firmware < 1.0.4.12 Yes
Hardware netgear r9000 - No
Operating System netgear xr500_firmware < 2.3.2.40 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.