CVE-2018-21113
8.8 · HIGHOverview
CVE-2018-21113 is a high-severity vulnerability affecting netgear d6100_firmware. It was published on April 22, 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 command injection by an unauthenticated attacker. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.42, R6100 before 1.0.1.28, R7500 before 1.0.0.130, R7500v2 before 1.0.3.36, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, and WNDR4500v3 before 1.0.0.56.
Remediation
Check the references section for vendor advisories and patches from netgear. Update d6100_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 | d6100_firmware | >= 0, < 1.0.0.58 | Affected |
| netgear | d7800_firmware | >= 0, < 1.0.1.42 | Affected |
| netgear | r6100_firmware | >= 0, < 1.0.1.28 | Affected |
| netgear | r7500_firmware | >= 0, < 1.0.0.130 | Affected |
| netgear | r7800_firmware | >= 0, < 1.0.2.52 | Affected |
| netgear | r8900_firmware | >= 0, < 1.0.4.12 | Affected |
| netgear | r9000_firmware | >= 0, < 1.0.4.12 | Affected |
| netgear | wndr3700_firmware | >= 0, < 1.0.2.102 | Affected |
| netgear | wndr4300_firmware | >= 0, < 1.0.2.104 | Affected |
| netgear | wndr4500_firmware | >= 0, < 1.0.0.56 | Affected |
Frequently Asked Questions
What is CVE-2018-21113?
CVE-2018-21113 is a high-severity vulnerability affecting netgear d6100_firmware. It was published on April 22, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2018-21113?
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-2018-21113?
Check the references section for vendor advisories and patches from netgear. Update d6100_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-2018-21113?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-21113 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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