CVE-2021-45533
8.4 · HIGHOverview
CVE-2021-45533 is a high-severity vulnerability affecting netgear ex6120_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 8.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects EX6120 before 1.0.0.66, EX6130 before 1.0.0.46, EX7000 before 1.0.1.106, EX7500 before 1.0.1.76, EX3700 before 1.0.0.94, EX3800 before 1.0.0.94, RBR850 before 4.6.3.9, RBS850 before 4.6.3.9, and RBK852 before 4.6.3.9.
Remediation
Check the references section for vendor advisories and patches from netgear. Update ex6120_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 | ex6120_firmware | >= 0, < 1.0.0.66 | Affected |
| netgear | ex6130_firmware | >= 0, < 1.0.0.46 | Affected |
| netgear | ex7000_firmware | >= 0, < 1.0.1.106 | Affected |
| netgear | ex7500_firmware | >= 0, < 1.0.1.76 | Affected |
| netgear | ex3700_firmware | >= 0, < 1.0.0.94 | Affected |
| netgear | ex3800_firmware | >= 0, < 1.0.0.94 | Affected |
| netgear | rbr850_firmware | >= 0, < 4.6.3.9 | Affected |
| netgear | rbs850_firmware | >= 0, < 4.6.3.9 | Affected |
| netgear | rbk852_firmware | >= 0, < 4.6.3.9 | Affected |
Frequently Asked Questions
What is CVE-2021-45533?
CVE-2021-45533 is a high-severity vulnerability affecting netgear ex6120_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 8.4 (HIGH).
How severe is CVE-2021-45533?
This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-45533?
Check the references section for vendor advisories and patches from netgear. Update ex6120_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-2021-45533?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-45533 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
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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