CVE-2018-21215
8.8 · HIGHOverview
CVE-2018-21215 is a high-severity vulnerability affecting netgear r9000_firmware. It was published on April 28, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, EX2700 before 1.0.1.28, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.
Remediation
Check the references section for vendor advisories and patches from netgear. Update r9000_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 | r9000_firmware | >= 0, < 1.0.2.52 | Affected |
| netgear | ex2700_firmware | >= 0, < 1.0.1.28 | Affected |
| netgear | d6100_firmware | >= 0, < 1.0.0.56 | Affected |
| netgear | r7500_firmware | >= 0, < 1.0.3.24 | Affected |
| netgear | d6000_firmware | >= 0, < 1.0.0.67 | Affected |
| netgear | d3600_firmware | >= 0, < 1.0.0.67 | Affected |
| netgear | wn2000rpt_firmware | >= 0, < 1.0.1.20 | Affected |
| netgear | wn3000rp_firmware | >= 0, < 1.0.2.50 | Affected |
| netgear | wn3100rp_firmware | >= 0, < 1.0.0.56 | Affected |
Frequently Asked Questions
What is CVE-2018-21215?
CVE-2018-21215 is a high-severity vulnerability affecting netgear r9000_firmware. It was published on April 28, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2018-21215?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-21215?
Check the references section for vendor advisories and patches from netgear. Update r9000_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-2018-21215?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-21215 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.
How CyberStrike Helps
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