CVE-2021-45619
9.6 · CRITICALOverview
CVE-2021-45619 is a critical-severity vulnerability affecting netgear ex6250_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 9.6 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. 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 EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.134, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, LBR1020 before 2.6.3.58, LBR20 before 2.6.3.50, R7800 before 1.0.2.80, R8900 before 1.0.5.26, R9000 before 1.0.5.26, RBS50Y before 2.7.3.22, WNR2000v5 before 1.0.0.76, XR700 before 1.0.1.36, EX6150v2 before 1.0.1.98, EX7300 before 1.0.2.158, EX7320 before 1.0.0.134, RAX10 before 1.0.2.88, RAX120 before 1.2.0.16, RAX70 before 1.0.2.88, EX6100v2 before 1.0.1.98, EX6400 before 1.0.2.158, EX7300v2 before 1.0.0.134, R6700AX before 1.0.2.88, RAX120v2 before 1.2.0.16, RAX78 before 1.0.2.88, EX6410 before 1.0.0.134, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR350 before 4.3.4.7, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, EX6420 before 1.0.0.134, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS350 before 4.3.4.7, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, EX6400v2 before 1.0.0.134,
Remediation
Check the references section for vendor advisories and patches from netgear. Update ex6250_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 | ex6250_firmware | >= 0, < 1.0.0.134 | Affected |
| netgear | ex7700_firmware | >= 0, < 1.0.0.216 | Affected |
| netgear | ex8000_firmware | >= 0, < 1.0.1.232 | Affected |
| netgear | lbr1020_firmware | >= 0, < 2.6.3.58 | Affected |
| netgear | lbr20_firmware | >= 0, < 2.6.3.50 | Affected |
| netgear | r7800_firmware | >= 0, < 1.0.2.80 | Affected |
| netgear | r8900_firmware | >= 0, < 1.0.5.26 | Affected |
| netgear | rbs50y_firmware | >= 0, < 2.7.3.22 | Affected |
| netgear | wnr2000v5_firmware | >= 0, < 1.0.0.76 | Affected |
| netgear | xr700_firmware | >= 0, < 1.0.1.36 | Affected |
References
Frequently Asked Questions
What is CVE-2021-45619?
CVE-2021-45619 is a critical-severity vulnerability affecting netgear ex6250_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 9.6 (CRITICAL).
How severe is CVE-2021-45619?
This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. 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-2021-45619?
Check the references section for vendor advisories and patches from netgear. Update ex6250_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-2021-45619?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-45619 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.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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