Advisory Published
Updated

CVE-2018-18489

First published: Tue Apr 16 2019(Updated: )

The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build 150701 Rel.51516n devices allows remote attackers to cause a denial of service (HTTP service termination) by modifying the packet size to be higher than the UI limit of 1472.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Tp-link Wr840n Firmware=3.16.9
TP-Link WR840N=2

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Frequently Asked Questions

  • What is the vulnerability ID for this security issue?

    The vulnerability ID is CVE-2018-18489.

  • What is the severity level of CVE-2018-18489?

    The severity level of CVE-2018-18489 is medium (4.9).

  • How does CVE-2018-18489 affect TP-LINK WR840N v2 Firmware?

    CVE-2018-18489 allows remote attackers to cause a denial of service (HTTP service termination) by modifying the packet size to be higher than the UI limit of 1472.

  • Is TP-LINK WR840N v2 Firmware version 3.16.9 affected by CVE-2018-18489?

    Yes, TP-LINK WR840N v2 Firmware version 3.16.9 is affected by CVE-2018-18489.

  • How can I fix CVE-2018-18489?

    Currently, there is no known fix or patch available for CVE-2018-18489. It is recommended to monitor for vendor updates and apply them once they become available.

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