CVE-2018-21163
7.2 · HIGHOverview
CVE-2018-21163 is a high-severity vulnerability affecting netgear dgn2200b_firmware. It was published on April 23, 2020 and has a CVSS 3.1 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects DGN2200Bv4 before 1.0.0.102, DGN2200v4 before 1.0.0.102, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150 before 1.0.0.38, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6300v2 before 1.0.4.22, R6900P before 1.3.0.18, R7000P before 1.3.0.18, R7300DST before 1.0.0.62, R7900P before 1.3.0.10, R8000 before 1.0.4.12, R8000P before 1.3.0.10, WN2500RPv2 before 1.0.1.52, and WNDR3400v3 before 1.0.1.18.
Remediation
Check the references section for vendor advisories and patches from netgear. Update dgn2200b_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 | dgn2200b_firmware | >= 0, < 1.0.0.102 | Affected |
| netgear | dgn2200_firmware | >= 0, < 1.0.0.102 | Affected |
| netgear | ex3700_firmware | >= 0, < 1.0.0.70 | Affected |
| netgear | ex3800_firmware | >= 0, < 1.0.0.70 | Affected |
| netgear | ex6000_firmware | >= 0, < 1.0.0.30 | Affected |
| netgear | ex6100_firmware | >= 0, < 1.0.2.22 | Affected |
| netgear | ex6120_firmware | >= 0, < 1.0.0.40 | Affected |
| netgear | ex6130_firmware | >= 0, < 1.0.0.22 | Affected |
| netgear | ex6150_firmware | >= 0, < 1.0.0.38 | Affected |
| netgear | ex6200_firmware | >= 0, < 1.0.3.86 | Affected |
Frequently Asked Questions
What is CVE-2018-21163?
CVE-2018-21163 is a high-severity vulnerability affecting netgear dgn2200b_firmware. It was published on April 23, 2020 and has a CVSS 3.1 base score of 7.2 (HIGH).
How severe is CVE-2018-21163?
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2018-21163?
Check the references section for vendor advisories and patches from netgear. Update dgn2200b_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-2018-21163?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-21163 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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