Vulnerability Monitor

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CVE-2021-45604

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects CBR750 before 3.2.18.2, D6220 before 1.0.0.68, D6400 before 1.0.0.102, D8500 before 1.0.3.60, LAX20 before 1.1.6.28, MK62 before 1.0.6.116, MR60 before 1.0.6.116, MS60 before 1.0.6.116, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, R7000 before 1.0.11.116, R7000P before 1.3.3.140, R7850 before 1.0.5.68, R7900 before 1.0.4.38, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.68, R8000P before 1.4.2.84, RAX15 before 1.0.3.96, RAX20 before 1.0.3.96, RAX200 before 1.0.4.120, RAX35v2 before 1.0.3.96, RAX40v2 before 1.0.3.96, RAX43 before 1.0.3.96, RAX45 before 1.0.3.96, RAX50 before 1.0.3.96, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RS400 before 1.5.1.80, and XR1000 before 1.0.0.58.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 76 products from netgear, from netgear, from netgear and 73 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

2021-12-26T01:15:17.900

Last Modified

2024-11-21T06:32:38.723

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.5 (MEDIUM)

CVSSv2 Vector

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

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

5.1

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear cbr750_firmware < 3.2.18.2 Yes
Hardware netgear cbr750 - No
Operating System netgear d6220_firmware < 1.0.0.68 Yes
Hardware netgear d6220 - No
Operating System netgear d6400_firmware < 1.0.0.102 Yes
Hardware netgear d6400 - No
Operating System netgear d8500_firmware < 1.0.3.60 Yes
Hardware netgear d8500 - No
Operating System netgear lax20_firmware < 1.1.6.28 Yes
Hardware netgear lax20 - No
Operating System netgear mk62_firmware < 1.0.6.116 Yes
Hardware netgear mk62 - No
Operating System netgear mr60_firmware < 1.0.6.116 Yes
Hardware netgear mr60 - No
Operating System netgear ms60_firmware < 1.0.6.116 Yes
Hardware netgear ms60 - No
Operating System netgear r6300_firmware < 1.0.4.50 Yes
Hardware netgear r6300 v2 No
Operating System netgear r6400_firmware < 1.0.1.68 Yes
Hardware netgear r6400 - No
Operating System netgear r6400_firmware < 1.0.4.118 Yes
Hardware netgear r6400 v2 No
Operating System netgear r6700_firmware < 1.0.4.118 Yes
Hardware netgear r6700 v3 No
Operating System netgear r6900p_firmware < 1.3.3.140 Yes
Hardware netgear r6900p - No
Operating System netgear r7000_firmware < 1.0.11.116 Yes
Hardware netgear r7000 - No
Operating System netgear r7000p_firmware < 1.3.3.140 Yes
Hardware netgear r7000p - No
Operating System netgear r7850_firmware < 1.0.5.68 Yes
Hardware netgear r7850 - No
Operating System netgear r7900_firmware < 1.0.4.38 Yes
Hardware netgear r7900 - No
Operating System netgear r7900p_firmware < 1.4.2.84 Yes
Hardware netgear r7900p - No
Operating System netgear r7960p_firmware < 1.4.2.84 Yes
Hardware netgear r7960p - No
Operating System netgear r8000_firmware < 1.0.4.68 Yes
Hardware netgear r8000 - No
Operating System netgear r8000p_firmware < 1.4.2.84 Yes
Hardware netgear r8000p - No
Operating System netgear rax15_firmware < 1.0.3.96 Yes
Hardware netgear rax15 - No
Operating System netgear rax20_firmware < 1.0.3.96 Yes
Hardware netgear rax20 - No
Operating System netgear rax200_firmware < 1.0.4.120 Yes
Hardware netgear rax200 - No
Operating System netgear rax35_firmware < 1.0.3.96 Yes
Hardware netgear rax35 v2 No
Operating System netgear rax40_firmware < 1.0.3.96 Yes
Hardware netgear rax40 v2 No
Operating System netgear rax43_firmware < 1.0.3.96 Yes
Hardware netgear rax43 - No
Operating System netgear rax45_firmware < 1.0.3.96 Yes
Hardware netgear rax45 - No
Operating System netgear rax50_firmware < 1.0.3.96 Yes
Hardware netgear rax50 - No
Operating System netgear rax75_firmware < 1.0.4.120 Yes
Hardware netgear rax75 - No
Operating System netgear rax80_firmware < 1.0.4.120 Yes
Hardware netgear rax80 - No
Operating System netgear rbk752_firmware < 3.2.17.12 Yes
Hardware netgear rbk752 - No
Operating System netgear rbk852_firmware < 3.2.17.12 Yes
Hardware netgear rbk852 - No
Operating System netgear rbr750_firmware < 3.2.17.12 Yes
Hardware netgear rbr750 - No
Operating System netgear rbr850_firmware < 3.2.17.12 Yes
Hardware netgear rbr850 - No
Operating System netgear rbs750_firmware < 3.2.17.12 Yes
Hardware netgear rbs750 - No
Operating System netgear rbs850_firmware < 3.2.17.12 Yes
Hardware netgear rbs850 - No
Operating System netgear rs400_firmware < 1.5.1.80 Yes
Hardware netgear rs400 - No
Operating System netgear xr1000_firmware < 1.0.0.58 Yes
Hardware netgear xr1000 - 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.