Vulnerability Monitor

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CVE-2018-21139

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects D1500 before 1.0.0.27, D500 before 1.0.0.27, D6100 before 1.0.0.58, D6200 before 1.1.00.30, D6220 before 1.0.0.46, D6400 before 1.0.0.82, D7000 before 1.0.1.68, D7000v2 before 1.0.0.51, D7800 before 1.0.1.42, D8500 before 1.0.3.42, DC112A before 1.0.0.40, DGN2200Bv4 before 1.0.0.102, DGN2200v4 before 1.0.0.102, JNR1010v2 before 1.1.0.54, JR6150 before 1.0.1.18, JWNR2010v5 before 1.1.0.54, PR2000 before 1.0.0.24, R6020 before 1.0.0.34, R6050 before 1.0.1.18, R6080 before 1.0.0.34, R6100 before 1.0.1.22, R6120 before 1.0.0.42, R6220 before 1.1.0.68, R6250 before 1.0.4.30, R6300v2 before 1.0.4.32, R6400 before 1.0.1.44, R6400v2 before 1.0.2.60, R6700 before 1.0.1.48, R6700v2 before 1.2.0.24, R6800 before 1.2.0.24, R6900 before 1.0.1.48, R6900P before 1.3.1.44, R6900v2 before 1.2.0.24, R7000 before 1.0.9.34, R7000P before 1.3.1.44, R7100LG before 1.0.0.48, R7300 before 1.0.0.68, R7500 before 1.0.0.124, R7500v2 before 1.0.3.38, R7900 before 1.0.2.16, R7900P before 1.4.1.24, R8000 before 1.0.4.18, R8000P before 1.4.1.24, R8300 before 1.0.2.122, R8500 before 1.0.2.122, WN3000RP before 1.0.0.68, WN3000RPv2 before 1.0.0.68, WNDR3400v3 before 1.0.1.18, WNDR3700v4 before 1.0.2.102, WNDR3700v5 before 1.1.0.54, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, WNR1000v4 before 1.1.0.54, WNR2020 before 1.1.0.54, WNR2050 before 1.1.0.54, and WNR3500Lv2 before 1.2.0.54.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, 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), for affected systems. Impacting 98 products from netgear, from netgear, from netgear and 95 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

2020-04-23T21:15:11.690

Last Modified

2024-11-21T04:02:59.713

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System netgear d1500_firmware < 1.0.0.27 Yes
Hardware netgear d1500 - No
Operating System netgear d500_firmware < 1.0.0.27 Yes
Hardware netgear d500 - No
Operating System netgear d6100_firmware < 1.0.0.58 Yes
Hardware netgear d6100 - No
Operating System netgear d6200_firmware < 1.1.00.30 Yes
Hardware netgear d6200 - No
Operating System netgear d6220_firmware < 1.0.0.46 Yes
Hardware netgear d6220 - No
Operating System netgear d6400_firmware < 1.0.0.82 Yes
Hardware netgear d6400 - No
Operating System netgear d7000_firmware < 1.0.1.68 Yes
Hardware netgear d7000 - No
Operating System netgear d7000_firmware < 1.0.0.51 Yes
Hardware netgear d7000 v2 No
Operating System netgear d7800_firmware < 1.0.1.42 Yes
Hardware netgear d7800 - No
Operating System netgear d8500_firmware < 1.0.3.42 Yes
Hardware netgear d8500 - No
Operating System netgear dc112a_firmware < 1.0.0.40 Yes
Hardware netgear dc112a - No
Operating System netgear dgn2200b_firmware < 1.0.0.102 Yes
Hardware netgear dgn2200b v4 No
Operating System netgear dgn2200_firmware < 1.0.0.102 Yes
Hardware netgear dgn2200 v4 No
Operating System netgear jnr1010_firmware < 1.1.0.54 Yes
Hardware netgear jnr1010 v2 No
Operating System netgear jr6150_firmware < 1.0.1.18 Yes
Hardware netgear jr6150 - No
Operating System netgear jwnr2010_firmware < 1.1.0.54 Yes
Hardware netgear jwnr2010 v5 No
Operating System netgear pr2000_firmware < 1.0.0.24 Yes
Hardware netgear pr2000 - No
Operating System netgear r6020_firmware < 1.0.0.34 Yes
Hardware netgear r6020 - No
Operating System netgear r6050_firmware < 1.0.1.18 Yes
Hardware netgear r6050 - No
Operating System netgear r6080_firmware < 1.0.0.34 Yes
Hardware netgear r6080 - No
Operating System netgear r6100_firmware < 1.0.1.22 Yes
Hardware netgear r6100 - No
Operating System netgear r6120_firmware < 1.0.0.42 Yes
Hardware netgear r6120 - No
Operating System netgear r6220_firmware < 1.1.0.68 Yes
Hardware netgear r6220 - No
Operating System netgear r6250_firmware < 1.0.4.30 Yes
Hardware netgear r6250 - No
Operating System netgear r6300_firmware < 1.0.4.32 Yes
Hardware netgear r6300 v2 No
Operating System netgear r6400_firmware < 1.0.1.44 Yes
Hardware netgear r6400 - No
Operating System netgear r6400_firmware < 1.0.2.60 Yes
Hardware netgear r6400 v2 No
Operating System netgear r6700_firmware < 1.0.1.48 Yes
Hardware netgear r6700 - No
Operating System netgear r6700_firmware < 1.2.0.24 Yes
Hardware netgear r6700 v2 No
Operating System netgear r6800_firmware < 1.2.0.24 Yes
Hardware netgear r6800 - No
Operating System netgear r6900_firmware < 1.0.1.48 Yes
Hardware netgear r6900 - No
Operating System netgear r6900p_firmware < 1.3.1.44 Yes
Hardware netgear r6900p - No
Operating System netgear r6900_firmware < 1.2.0.24 Yes
Hardware netgear r6900 v2 No
Operating System netgear r7000_firmware < 1.0.9.34 Yes
Hardware netgear r7000 - No
Operating System netgear r7000p_firmware < 1.3.1.44 Yes
Hardware netgear r7000p - No
Operating System netgear r7100lg_firmware < 1.0.0.48 Yes
Hardware netgear r7100lg - No
Operating System netgear r7300_firmware < 1.0.0.68 Yes
Hardware netgear r7300 - No
Operating System netgear r7500_firmware < 1.0.0.124 Yes
Hardware netgear r7500 - No
Operating System netgear r7500_firmware < 1.0.3.38 Yes
Hardware netgear r7500 v2 No
Operating System netgear r7900_firmware < 1.0.2.16 Yes
Hardware netgear r7900 - No
Operating System netgear r7900p_firmware < 1.4.1.24 Yes
Hardware netgear r7900p - No
Operating System netgear r8000_firmware < 1.0.4.18 Yes
Hardware netgear r8000 - No
Operating System netgear r8000p_firmware < 1.4.1.24 Yes
Hardware netgear r8000p - No
Operating System netgear r8300_firmware < 1.0.2.122 Yes
Hardware netgear r8300 - No
Operating System netgear r8500_firmware < 1.0.2.122 Yes
Hardware netgear r8500 - No
Operating System netgear wn3000rp_firmware < 1.0.0.68 Yes
Hardware netgear wn3000rp - No
Operating System netgear wn3000rp_firmware < 1.0.0.68 Yes
Hardware netgear wn3000rp v2 No
Operating System netgear wndr3400_firmware < 1.0.1.18 Yes
Hardware netgear wndr3400 v3 No
Operating System netgear wndr3700_firmware < 1.0.2.102 Yes
Hardware netgear wndr3700 v4 No
Operating System netgear wndr3700_firmware < 1.1.0.54 Yes
Hardware netgear wndr3700 v5 No
Operating System netgear wndr4300_firmware < 1.0.2.104 Yes
Hardware netgear wndr4300 v1 No
Operating System netgear wndr4300_firmware < 1.0.0.56 Yes
Hardware netgear wndr4300 v2 No
Operating System netgear wndr4500_firmware < 1.0.0.56 Yes
Hardware netgear wndr4500 v3 No
Operating System netgear wnr1000_firmware < 1.1.0.54 Yes
Hardware netgear wnr1000 v4 No
Operating System netgear wnr2020_firmware < 1.1.0.54 Yes
Hardware netgear wnr2020 - No
Operating System netgear wnr2050_firmware < 1.1.0.54 Yes
Hardware netgear wnr2050 - No
Operating System netgear wnr3500l_firmware < 1.2.0.54 Yes
Hardware netgear wnr3500l v2 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.