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MEDIUM · 4.9

CVE-2018-18489

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...

Vulnerability Description

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.

CVSS Score

4.9

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Tp-LinkWr840N Firmware3.16.9
Tp-LinkWr840N2

References

FAQ

What is CVE-2018-18489?

CVE-2018-18489 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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...

How severe is CVE-2018-18489?

CVE-2018-18489 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-18489?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Wr840N Firmware, Tp-Link Wr840N.