CVE-2021-37386
7.5 · HIGHOverview
CVE-2021-37386 is a high-severity vulnerability affecting furukawa 423-41w\/ac_firmware. It was published on July 17, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.
Remediation
Check the references section for vendor advisories and patches from furukawa. Update 423-41w\/ac_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 |
|---|---|---|---|
| furukawa | 423-41w\/ac_firmware | >= 0, < 1.2.0 | Affected |
| furukawa | ld421-21w_firmware | >= 0, < 1.5.0 | Affected |
| furukawa | ld420-10r_firmware | >= 0, < 1.4.0 | Affected |
| furukawa | ld421-21wv_firmware | >= 0, < 1.5.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-37386?
CVE-2021-37386 is a high-severity vulnerability affecting furukawa 423-41w\/ac_firmware. It was published on July 17, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-37386?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-37386?
Check the references section for vendor advisories and patches from furukawa. Update 423-41w\/ac_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-2021-37386?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-37386 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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