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CVE-2019-19824

8.8 · HIGH

On certain TOTOLINK Realtek SDK based routers, an authenticated attacker may execute arbitrary OS commands via the sysCmd parameter to the boafrm/formSysCmd URI, even if the GUI (syscmd.htm) is not…

Published Jan 27, 2020CWE-78EPSS 25.14%

Overview

CVE-2019-19824 is a high-severity vulnerability. It was published on January 27, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

On certain TOTOLINK Realtek SDK based routers, an authenticated attacker may execute arbitrary OS commands via the sysCmd parameter to the boafrm/formSysCmd URI, even if the GUI (syscmd.htm) is not available. This allows for full control over the device's internals. This affects A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, N100RE through 3.4.0, and N302RE 2.0.2.

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

Refpacketstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.htmlRefseclists.org/fulldisclosure/2020/Jan/36Refseclists.org/fulldisclosure/2020/Jan/38GitHubgithub.com/yckuo-sdc/totolink-boa-api-vulnerabilitiesRefsploit.techRefpacketstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.htmlRefseclists.org/fulldisclosure/2020/Jan/36Refseclists.org/fulldisclosure/2020/Jan/38Refsploit.tech

How CyberStrike helps

Frequently asked questions

What is CVE-2019-19824?

CVE-2019-19824 is a high-severity vulnerability. It was published on January 27, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2019-19824?

This vulnerability has a CVSS 3.1 base score of 8.8, 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-2019-19824?

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-2019-19824?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-19824 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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