CVE-2018-18489

low-risk
Published 2019-04-16

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.

Do I need to act?

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0.73% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.9/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tp-Link

References (2)

Exploit https://youtu.be/VGNEYWR9MgY
Exploit https://youtu.be/VGNEYWR9MgY
27
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal