CVE-2018-18489: Medium severity tp-link tl-wr840n firmware vulnerability

Published 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.

Affected Software

2 affected components
TP-Link Wr840n Firmware=3.16.9
TP-Link WR840N=2

Event History

Apr 16, 2019
CVE Published
via MITRE·06:26 PM
Data Sourced
via MITRE·06:26 PM
Description
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Frequently Asked Questions

1

What is the vulnerability ID for this security issue?

The vulnerability ID is CVE-2018-18489.

2

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

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

3

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.

4

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.

5

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.

Contact

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