CVE-2021-29077
9.6 · CRITICALOverview
CVE-2021-29077 is a critical-severity vulnerability affecting netgear rbw30_firmware. It was published on March 23, 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 RBW30 before 2.6.2.2, RBS40V before 2.6.2.4, RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, RBK753 before 3.2.17.12, RBK753S before 3.2.17.12, RBK754 before 3.2.17.12, RBR750 before 3.2.17.12, and RBS750 before 3.2.17.12.
Remediation
Check the references section for vendor advisories and patches from netgear. Update rbw30_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 | rbw30_firmware | >= 0, < 2.6.2.2 | Affected |
| netgear | rbs40v_firmware | >= 0, < 2.6.2.4 | Affected |
| netgear | rbk852_firmware | >= 0, < 3.2.17.12 | Affected |
| netgear | rbk853_firmware | >= 0, < 3.2.17.12 | Affected |
| netgear | rbk854_firmware | >= 0, < 3.2.17.12 | Affected |
| netgear | rbr850_firmware | >= 0, < 3.2.17.12 | Affected |
| netgear | rbs850_firmware | >= 0, < 3.2.17.12 | Affected |
| netgear | rbk752_firmware | >= 0, < 3.2.17.12 | Affected |
| netgear | rbk753_firmware | >= 0, < 3.2.17.12 | Affected |
| netgear | rbk753s_firmware | >= 0, < 3.2.17.12 | Affected |
Frequently Asked Questions
What is CVE-2021-29077?
CVE-2021-29077 is a critical-severity vulnerability affecting netgear rbw30_firmware. It was published on March 23, 2021 and has a CVSS 3.1 base score of 9.6 (CRITICAL).
How severe is CVE-2021-29077?
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-2021-29077?
Check the references section for vendor advisories and patches from netgear. Update rbw30_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-2021-29077?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-29077 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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