CVE-2021-45520
9.6 · CRITICALOverview
CVE-2021-45520 is a critical-severity vulnerability affecting netgear rbk352_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 a hardcoded password. This affects RBK352 before 4.4.0.10, RBR350 before 4.4.0.10, and RBS350 before 4.4.0.10.
Remediation
Check the references section for vendor advisories and patches from netgear. Update rbk352_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 | rbk352_firmware | >= 0, < 4.4.0.10 | Affected |
| netgear | rbr350_firmware | >= 0, < 4.4.0.10 | Affected |
| netgear | rbs350_firmware | >= 0, < 4.4.0.10 | Affected |
Frequently Asked Questions
What is CVE-2021-45520?
CVE-2021-45520 is a critical-severity vulnerability affecting netgear rbk352_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 9.6 (CRITICAL).
How severe is CVE-2021-45520?
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-2021-45520?
Check the references section for vendor advisories and patches from netgear. Update rbk352_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-2021-45520?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-45520 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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