CVE-2021-45550
6.6 · MEDIUMOverview
CVE-2021-45550 is a medium-severity vulnerability affecting netgear d3600_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 6.6 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. 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 D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.
Remediation
Check the references section for vendor advisories and patches from netgear. Update d3600_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 | d3600_firmware | >= 0, < 1.0.0.76 | Affected |
| netgear | d6000_firmware | >= 0, < 1.0.0.78 | Affected |
| netgear | d6100_firmware | >= 0, < 1.0.0.63 | Affected |
| netgear | d6220_firmware | >= 0, < 1.0.0.52 | Affected |
| netgear | d6400_firmware | >= 0, < 1.0.0.86 | Affected |
| netgear | d7800_firmware | >= 0, < 1.0.1.56 | Affected |
| netgear | d8500_firmware | >= 0, < 1.0.3.44 | Affected |
| netgear | dgn2200b_firmware | >= 0, < 1.0.0.109 | Affected |
| netgear | dgn2200_firmware | >= 0, < 1.0.0.110 | Affected |
| netgear | r6250_firmware | >= 0, < 1.0.4.34 | Affected |
Frequently Asked Questions
What is CVE-2021-45550?
CVE-2021-45550 is a medium-severity vulnerability affecting netgear d3600_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 6.6 (MEDIUM).
How severe is CVE-2021-45550?
This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-45550?
Check the references section for vendor advisories and patches from netgear. Update d3600_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-2021-45550?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-45550 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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