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CVE-2019-11535

9.8 · CRITICAL

Unsanitized user input in the web interface for Linksys WiFi extender products (RE6400 and RE6300 through 1.2.04.022) allows for remote command execution.

Published Jul 17, 2019CWE-77EPSS 5.05%

Overview

CVE-2019-11535 is a critical-severity vulnerability. It was published on July 17, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Unsanitized user input in the web interface for Linksys WiFi extender products (RE6400 and RE6300 through 1.2.04.022) allows for remote command execution. An attacker can access system OS configurations and commands that are not intended for use beyond the web UI.

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

Refs3.amazonaws.com/downloads.linksys.com/support/assets/releasenotes/Linksys%20RE6300%20RE6400%20Firmware%20Release%20Notes_v1.2.05.001.txtRefs3.amazonaws.com/downloads.linksys.com/support/assets/releasenotes/Linksys%20RE6300%20RE6400%20Firmware%20Release%20Notes_v1.2.05.001.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2019-11535?

CVE-2019-11535 is a critical-severity vulnerability. It was published on July 17, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2019-11535?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-11535?

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-2019-11535?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-11535 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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