CVE-2021-45548
6.3 · MEDIUMOverview
CVE-2021-45548 is a medium-severity vulnerability affecting netgear d7800_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.3, 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 D7800 before 1.0.1.60, DM200 before 1.0.0.66, EX2700 before 1.0.1.56, EX6150v2 before 1.0.1.86, EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.128, EX6400 before 1.0.2.144, EX6400v2 before 1.0.0.128, EX6410 before 1.0.0.128, EX6420 before 1.0.0.128, EX7300 before 1.0.2.144, EX7300v2 before 1.0.0.128, EX7320 before 1.0.0.128, R7500v2 before 1.0.3.46, R7800 before 1.0.2.74, R8900 before 1.0.5.26, R9000 before 1.0.5.2, RAX120 before 1.0.1.128, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.80, WNR2000v5 before 1.0.0.74, XR500 before 2.3.2.66, RBK20 before 2.7.3.22, RBR20 before 2.7.3.22, RBS20 before 2.7.3.22, RBK40 before 2.7.3.22, RBR40 before 2.7.3.22, and RBS40 before 2.7.3.22.
Remediation
Check the references section for vendor advisories and patches from netgear. Update d7800_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 | d7800_firmware | >= 0, < 1.0.1.60 | Affected |
| netgear | dm200_firmware | >= 0, < 1.0.0.66 | Affected |
| netgear | ex2700_firmware | >= 0, < 1.0.1.56 | Affected |
| netgear | ex6150v2_firmware | >= 0, < 1.0.1.86 | Affected |
| netgear | ex6200v2_firmware | >= 0, < 1.0.1.86 | Affected |
| netgear | ex6250_firmware | >= 0, < 1.0.0.128 | Affected |
| netgear | ex6400_firmware | >= 0, < 1.0.2.144 | Affected |
| netgear | ex6400v2_firmware | >= 0, < 1.0.0.128 | Affected |
| netgear | ex6410_firmware | >= 0, < 1.0.0.128 | Affected |
| netgear | ex6420_firmware | >= 0, < 1.0.0.128 | Affected |
References
Frequently Asked Questions
What is CVE-2021-45548?
CVE-2021-45548 is a medium-severity vulnerability affecting netgear d7800_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
How severe is CVE-2021-45548?
This vulnerability has a CVSS 3.1 base score of 6.3, 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-2021-45548?
Check the references section for vendor advisories and patches from netgear. Update d7800_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-2021-45548?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-45548 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.
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