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CVE-2021-40419

7.5 · HIGH

A firmware update vulnerability exists in the 'factory' binary of reolink RLC-410W v3.0.0.136_20121102.

Published Jan 28, 2022CWE-489EPSS 1.23%

Overview

CVE-2021-40419 is a high-severity vulnerability. It was published on January 28, 2022 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. No authentication or special privileges are required for exploitation.

Technical description

A firmware update vulnerability exists in the 'factory' binary of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted series of network requests can lead to arbitrary firmware update. An attacker can send a sequence of requests to trigger this vulnerability.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Reftalosintelligence.com/vulnerability_reports/TALOS-2021-1428Reftalosintelligence.com/vulnerability_reports/TALOS-2021-1428

How CyberStrike helps

Frequently asked questions

What is CVE-2021-40419?

CVE-2021-40419 is a high-severity vulnerability. It was published on January 28, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-40419?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-40419?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2021-40419?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-40419 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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