Vulnerability Monitor

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CVE-2021-45526

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.126, R7900 before 1.0.4.30, R8000 before 1.0.4.52, R7000P before 1.3.2.124, R8000P before 1.4.1.50, RAX80 before 1.0.3.88, R6900P before 1.3.2.124, R7900P before 1.4.1.50, and RAX75 before 1.0.3.88.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.3, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts limited data confidentiality, limited integrity, and availability (service disruption) for affected systems. Impacting 28 products from netgear, from netgear, from netgear and 25 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

2021-12-26T01:15:14.157

Last Modified

2024-11-21T06:32:25.440

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.3 (HIGH)

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-120
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear ex6000_firmware < 1.0.0.38 Yes
Hardware netgear ex6000 - No
Operating System netgear ex6120_firmware < 1.0.0.48 Yes
Hardware netgear ex6120 - No
Operating System netgear ex6130_firmware < 1.0.0.30 Yes
Hardware netgear ex6130 - No
Operating System netgear r6300v2_firmware < 1.0.4.52 Yes
Hardware netgear r6300v2 - No
Operating System netgear r6400_firmware < 1.0.1.52 Yes
Hardware netgear r6400 - No
Operating System netgear r7000_firmware < 1.0.11.126 Yes
Hardware netgear r7000 - No
Operating System netgear r7900_firmware < 1.0.4.30 Yes
Hardware netgear r7900 - No
Operating System netgear r8000_firmware < 1.0.4.52 Yes
Hardware netgear r8000 - No
Operating System netgear r8000p_firmware < 1.4.1.50 Yes
Hardware netgear r8000p - No
Operating System netgear r7000p_firmware < 1.3.2.124 Yes
Hardware netgear r7000p - No
Operating System netgear rax80_firmware < 1.0.3.88 Yes
Hardware netgear rax80 - No
Operating System netgear rax75_firmware < 1.0.3.88 Yes
Hardware netgear rax75 - No
Operating System netgear r6900p_firmware < 1.3.2.124 Yes
Hardware netgear r6900p - No
Operating System netgear r7900p_firmware < 1.4.1.50 Yes
Hardware netgear r7900p - 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.