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CVE-2020-35795

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects AC2100 before 1.2.0.72, AC2400 before 1.2.0.72, AC2600 before 1.2.0.72, CBK40 before 2.5.0.10, CBR40 before 2.5.0.10, D7800 before 1.0.1.58, EAX20 before 1.0.0.36, EAX80 before 1.0.1.62, EX7500 before 1.0.0.68, MK62 before 1.0.5.102, MR60 before 1.0.5.102, MS60 before 1.0.5.102, R6120 before 1.0.0.70, R6220 before 1.1.0.100, R6230 before 1.1.0.100, R6260 before 1.1.0.76, R6330 before 1.1.0.76, R6350 before 1.1.0.76, R6400 before 1.0.1.62, R6400v2 before 1.0.4.98, R6700 before 1.0.2.16, R6700v2 before 1.2.0.72, R6700v3 before 1.0.4.98, R6800 before 1.2.0.72, R6850 before 1.1.0.76, R6900P before 1.3.2.124, R6900 before 1.0.2.16, R6900v2 before 1.2.0.72, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7200 before 1.2.0.72, R7350 before 1.2.0.72, R7400 before 1.2.0.72, R7450 before 1.2.0.72, R7800 before 1.0.2.74, R7850 before 1.0.5.60, R7900 before 1.0.4.26, R7900P before 1.4.1.62, R7960P before 1.4.1.62, R8000 before 1.0.4.58, R8000P before 1.4.1.62, R8900 before 1.0.5.24, R9000 before 1.0.5.24, RAX120 before 1.0.1.136, RAX15 before 1.0.1.64, RAX20 before 1.0.1.64, RAX200 before 1.0.2.102, RAX45 before 1.0.2.64, RAX50 before 1.0.2.64, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, RBK12 before 2.6.1.44, RBR10 before 2.6.1.44, RBS10 before 2.6.1.44, RBK20 before 2.6.1.38, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.38, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before 2.6.1.40, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK842 before 3.2.16.6, RBR840 before 3.2.16.6, RBS840 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RS400 before 1.5.0.48, XR300 before 1.0.3.50, XR450 before 2.3.2.66, XR500 before 2.3.2.66, and XR700 before 1.0.1.34.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 154 products from netgear, from netgear, from netgear and 151 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

2020-12-30T00:15:14.080

Last Modified

2024-11-21T05:28:07.420

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

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
    CWE-120
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear ac2100_firmware < 1.2.0.72 Yes
Hardware netgear ac2100 - No
Operating System netgear ac2400_firmware < 1.2.0.72 Yes
Hardware netgear ac2400 - No
Operating System netgear ac2600_firmware < 1.2.0.72 Yes
Hardware netgear ac2600 - No
Operating System netgear cbk40_firmware < 2.5.0.10 Yes
Hardware netgear cbk40 - No
Operating System netgear cbr40_firmware < 2.5.0.10 Yes
Hardware netgear cbr40 - No
Operating System netgear d7800_firmware < 1.0.1.58 Yes
Hardware netgear d7800 - No
Operating System netgear eax20_firmware < 1.0.0.36 Yes
Hardware netgear eax20 - No
Operating System netgear eax80_firmware < 1.0.1.62 Yes
Hardware netgear eax80 - No
Operating System netgear ex7500_firmware < 1.0.0.68 Yes
Hardware netgear ex7500 - No
Operating System netgear mk62_firmware < 1.0.5.102 Yes
Hardware netgear mk62 - No
Operating System netgear mr60_firmware < 1.0.5.102 Yes
Hardware netgear mr60 - No
Operating System netgear ms60_firmware < 1.0.5.102 Yes
Hardware netgear ms60 - No
Operating System netgear r6120_firmware < 1.0.0.70 Yes
Hardware netgear r6120 - No
Operating System netgear r6220_firmware < 1.1.0.100 Yes
Hardware netgear r6220 - No
Operating System netgear r6230_firmware < 1.1.0.100 Yes
Hardware netgear r6230 - No
Operating System netgear r6260_firmware < 1.1.0.76 Yes
Hardware netgear r6260 - No
Operating System netgear r6330_firmware < 1.1.0.76 Yes
Hardware netgear r6330 - No
Operating System netgear r6350_firmware < 1.1.0.76 Yes
Hardware netgear r6350 - No
Operating System netgear r6400_firmware < 1.0.1.62 Yes
Hardware netgear r6400 - No
Operating System netgear r6400v2_firmware < 1.0.4.98 Yes
Hardware netgear r6400v2 - No
Operating System netgear r6700_firmware < 1.0.2.16 Yes
Hardware netgear r6700 - No
Operating System netgear r6700v2_firmware < 1.2.0.72 Yes
Hardware netgear r6700v2 - No
Operating System netgear r6700v3_firmware < 1.0.4.98 Yes
Hardware netgear r6700v3 - No
Operating System netgear r6800_firmware < 1.2.0.72 Yes
Hardware netgear r6800 - No
Operating System netgear r6850_firmware < 1.1.0.76 Yes
Hardware netgear r6850 - No
Operating System netgear r6900p_firmware < 1.3.2.124 Yes
Hardware netgear r6900p - No
Operating System netgear r6900_firmware < 1.0.2.16 Yes
Hardware netgear r6900 - No
Operating System netgear r6900v2_firmware < 1.2.0.72 Yes
Hardware netgear r6900v2 - No
Operating System netgear r7000_firmware < 1.0.11.106 Yes
Hardware netgear r7000 - No
Operating System netgear r7000p_firmware < 1.3.2.124 Yes
Hardware netgear r7000p - No
Operating System netgear r7200_firmware < 1.2.0.72 Yes
Hardware netgear r7200 - No
Operating System netgear r7350_firmware < 1.2.0.72 Yes
Hardware netgear r7350 - No
Operating System netgear r7400_firmware < 1.2.0.72 Yes
Hardware netgear r7400 - No
Operating System netgear r7450_firmware < 1.2.0.72 Yes
Hardware netgear r7450 - No
Operating System netgear r7800_firmware < 1.0.2.74 Yes
Hardware netgear r7800 - No
Operating System netgear r7850_firmware < 1.0.5.60 Yes
Hardware netgear r7850 - No
Operating System netgear r7900_firmware < 1.0.4.26 Yes
Hardware netgear r7900 - No
Operating System netgear r7900p_firmware < 1.4.1.62 Yes
Hardware netgear r7900p - No
Operating System netgear r7960p_firmware < 1.4.1.62 Yes
Hardware netgear r7960p - No
Operating System netgear r8000_firmware < 1.0.4.58 Yes
Hardware netgear r8000 - No
Operating System netgear r8000p_firmware < 1.4.1.62 Yes
Hardware netgear r8000p - No
Operating System netgear r8900_firmware < 1.0.5.24 Yes
Hardware netgear r8900 - No
Operating System netgear r9000_firmware < 1.0.5.24 Yes
Hardware netgear r9000 - No
Operating System netgear rax120_firmware < 1.0.1.136 Yes
Hardware netgear rax120 - No
Operating System netgear rax15_firmware < 1.0.1.64 Yes
Hardware netgear rax15 - No
Operating System netgear rax20_firmware < 1.0.1.64 Yes
Hardware netgear rax20 - No
Operating System netgear rax200_firmware < 1.0.2.102 Yes
Hardware netgear rax200 - No
Operating System netgear rax45_firmware < 1.0.2.64 Yes
Hardware netgear rax45 - No
Operating System netgear rax50_firmware < 1.0.2.64 Yes
Hardware netgear rax50 - No
Operating System netgear rax75_firmware < 1.0.3.102 Yes
Hardware netgear rax75 - No
Operating System netgear rax80_firmware < 1.0.3.102 Yes
Hardware netgear rax80 - No
Operating System netgear rbk12_firmware < 2.6.1.44 Yes
Hardware netgear rbk12 - No
Operating System netgear rbr10_firmware < 2.6.1.44 Yes
Hardware netgear rbr10 - No
Operating System netgear rbs10_firmware < 2.6.1.44 Yes
Hardware netgear rbs10 - No
Operating System netgear rbk20_firmware < 2.6.1.38 Yes
Hardware netgear rbk20 - No
Operating System netgear rbr20_firmware < 2.6.1.36 Yes
Hardware netgear rbr20 - No
Operating System netgear rbs20_firmware < 2.6.1.38 Yes
Hardware netgear rbs20 - No
Operating System netgear rbk40_firmware < 2.6.1.38 Yes
Hardware netgear rbk40 - No
Operating System netgear rbr40_firmware < 2.6.1.36 Yes
Hardware netgear rbr40 - No
Operating System netgear rbs40_firmware < 2.6.1.38 Yes
Hardware netgear rbs40 - No
Operating System netgear rbk50_firmware < 2.6.1.40 Yes
Hardware netgear rbk50 - No
Operating System netgear rbr50_firmware < 2.6.1.40 Yes
Hardware netgear rbr50 - No
Operating System netgear rbs50_firmware < 2.6.1.40 Yes
Hardware netgear rbs50 - No
Operating System netgear rbk752_firmware < 3.2.16.6 Yes
Hardware netgear rbk752 - No
Operating System netgear rbr750_firmware < 3.2.16.6 Yes
Hardware netgear rbr750 - No
Operating System netgear rbs750_firmware < 3.2.16.6 Yes
Hardware netgear rbs750 - No
Operating System netgear rbk842_firmware < 3.2.16.6 Yes
Hardware netgear rbk842 - No
Operating System netgear rbr840_firmware < 3.2.16.6 Yes
Hardware netgear rbr840 - No
Operating System netgear rbs840_firmware < 3.2.16.6 Yes
Hardware netgear rbs840 - No
Operating System netgear rbk852_firmware < 3.2.16.6 Yes
Hardware netgear rbk852 - No
Operating System netgear rbr850_firmware < 3.2.16.6 Yes
Hardware netgear rbr850 - No
Operating System netgear rbs850_firmware < 3.2.16.6 Yes
Hardware netgear rbs850 - No
Operating System netgear rs400_firmware < 1.5.0.48 Yes
Hardware netgear rs400 - No
Operating System netgear xr300_firmware < 1.0.3.50 Yes
Hardware netgear xr300 - 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 < 1.0.1.34 Yes
Hardware netgear xr700 - 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.