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CVE-2018-14496

9.8 · CRITICAL

Vivotek FD8136 devices allow remote memory corruption and remote code execution because of a stack-based buffer overflow, related to sprintf, vlocal_buff_4326, and set_getparam.cgi.

Published Jul 10, 2019CWE-787EPSS 4.06%

Overview

CVE-2018-14496 is a critical-severity vulnerability. It was published on July 10, 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

Vivotek FD8136 devices allow remote memory corruption and remote code execution because of a stack-based buffer overflow, related to sprintf, vlocal_buff_4326, and set_getparam.cgi. NOTE: The vendor has disputed this as a vulnerability and states that the issue does not cause a web server crash or have any other affect on it's performance

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

Refwww.vdalabs.com/2018/07/23/professional-iot-hacking-series-target-selection-firmware-analysis/Refwww.vdalabs.com/2018/11/29/professional-iot-hacking-series-hunting-remote-memory-corruption/Refwww.vdalabs.com/2018/07/23/professional-iot-hacking-series-target-selection-firmware-analysis/Refwww.vdalabs.com/2018/11/29/professional-iot-hacking-series-hunting-remote-memory-corruption/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-14496?

CVE-2018-14496 is a critical-severity vulnerability. It was published on July 10, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2018-14496?

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-2018-14496?

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-2018-14496?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-14496 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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