Vulnerability Monitor

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CVE-2019-20723

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6100 before 1.0.0.63, DM200 before 1.0.0.58, EX2700 before 1.0.1.48, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.72, EX6400 before 1.0.2.136, EX7300 before 1.0.2.136, EX8000 before 1.0.1.180, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WN2000RPTv3 before 1.0.1.32, WN3000RPv2 before 1.0.0.68, WN3000RPv3 before 1.0.2.70, WN3100RPv2 before 1.0.0.60, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.68, and XR500 before 2.3.2.32.

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 42 products from netgear, from netgear, from netgear and 39 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

2020-04-16T19:15:25.337

Last Modified

2024-11-21T04:39:11.273

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-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear d3600_firmware < 1.0.0.75 Yes
Hardware netgear d3600 - No
Operating System netgear d6000_firmware < 1.0.0.75 Yes
Hardware netgear d6000 - No
Operating System netgear d6100_firmware < 1.0.0.63 Yes
Hardware netgear d6100 - No
Operating System netgear dm200_firmware < 1.0.0.58 Yes
Hardware netgear dm200 - No
Operating System netgear ex2700_firmware < 1.0.1.48 Yes
Hardware netgear ex2700 - No
Operating System netgear ex6100_firmware < 1.0.1.76 Yes
Hardware netgear ex6100 v2 No
Operating System netgear ex6150_firmware < 1.0.1.76 Yes
Hardware netgear ex6150 v2 No
Operating System netgear ex6200_firmware < 1.0.1.72 Yes
Hardware netgear ex6200 v2 No
Operating System netgear ex6400_firmware < 1.0.2.136 Yes
Hardware netgear ex6400 - No
Operating System netgear ex7300_firmware < 1.0.2.136 Yes
Hardware netgear ex7300 - No
Operating System netgear ex8000_firmware < 1.0.1.180 Yes
Hardware netgear ex8000 - No
Operating System netgear r7800_firmware < 1.0.2.52 Yes
Hardware netgear r7800 - No
Operating System netgear r8900_firmware < 1.0.4.2 Yes
Hardware netgear r8900 - No
Operating System netgear r9000_firmware < 1.0.4.2 Yes
Hardware netgear r9000 - No
Operating System netgear wn2000rpt_firmware < 1.0.1.32 Yes
Hardware netgear wn2000rpt v3 No
Operating System netgear wn3000rp_firmware < 1.0.0.68 Yes
Hardware netgear wn3000rp v2 No
Operating System netgear wn3000rp_firmware < 1.0.2.70 Yes
Hardware netgear wn3000rp v3 No
Operating System netgear wn3100rp_firmware < 1.0.0.60 Yes
Hardware netgear wn3100rp v2 No
Operating System netgear wndr4300_firmware < 1.0.0.58 Yes
Hardware netgear wndr4300 v2 No
Operating System netgear wndr4500_firmware < 1.0.0.58 Yes
Hardware netgear wndr4500 v3 No
Operating System netgear wnr2000_firmware < 1.0.0.68 Yes
Hardware netgear wnr2000 v5 No
Operating System netgear xr500_firmware < 2.3.2.32 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.