CVE-2018-21139
7.5 · HIGHOverview
CVE-2018-21139 is a high-severity vulnerability affecting netgear d1500_firmware. It was published on April 23, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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
Remediation
Check the references section for vendor advisories and patches from netgear. Update d1500_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| netgear | d1500_firmware | >= 0, < 1.0.0.27 | Affected |
| netgear | d500_firmware | >= 0, < 1.0.0.27 | Affected |
| netgear | d6100_firmware | >= 0, < 1.0.0.58 | Affected |
| netgear | d6200_firmware | >= 0, < 1.1.00.30 | Affected |
| netgear | d6220_firmware | >= 0, < 1.0.0.46 | Affected |
| netgear | d6400_firmware | >= 0, < 1.0.0.82 | Affected |
| netgear | d7000_firmware | >= 0, < 1.0.1.68 | Affected |
| netgear | d7800_firmware | >= 0, < 1.0.1.42 | Affected |
| netgear | d8500_firmware | >= 0, < 1.0.3.42 | Affected |
| netgear | dc112a_firmware | >= 0, < 1.0.0.40 | Affected |
Frequently Asked Questions
What is CVE-2018-21139?
CVE-2018-21139 is a high-severity vulnerability affecting netgear d1500_firmware. It was published on April 23, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2018-21139?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-21139?
Check the references section for vendor advisories and patches from netgear. Update d1500_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-21139?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-21139 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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