CVE-2021-45667
6.5 · MEDIUMOverview
CVE-2021-45667 is a medium-severity vulnerability affecting netgear cbr40_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, 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 stored XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, R7960P before 1.4.1.66, RAX200 before 1.0.3.106, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, EX3700 before 1.0.0.90, MR60 before 1.0.6.110, R8000P before 1.4.1.66, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.3.106, EX3800 before 1.0.0.90, MS60 before 1.0.6.110, R7900P before 1.4.1.66, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.
Remediation
Check the references section for vendor advisories and patches from netgear. Update cbr40_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 | cbr40_firmware | >= 0, < 2.5.0.10 | Affected |
| netgear | eax20_firmware | >= 0, < 1.0.0.48 | Affected |
| netgear | eax80_firmware | >= 0, < 1.0.1.64 | Affected |
| netgear | ex6120_firmware | >= 0, < 1.0.0.64 | Affected |
| netgear | ex6130_firmware | >= 0, < 1.0.0.44 | Affected |
| netgear | ex7500_firmware | >= 0, < 1.0.0.72 | Affected |
| netgear | r7960p_firmware | >= 0, < 1.4.1.66 | Affected |
| netgear | rax200_firmware | >= 0, < 1.0.3.106 | Affected |
| netgear | rbs40v_firmware | >= 0, < 2.6.1.4 | Affected |
| netgear | rbw30_firmware | >= 0, < 2.6.1.4 | Affected |
Frequently Asked Questions
What is CVE-2021-45667?
CVE-2021-45667 is a medium-severity vulnerability affecting netgear cbr40_firmware. It was published on December 26, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2021-45667?
This vulnerability has a CVSS 3.1 base score of 6.5, 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-2021-45667?
Check the references section for vendor advisories and patches from netgear. Update cbr40_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-2021-45667?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-45667 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.
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