What is CVE-2018-18489?

CVE-2018-18489 is a medium-severity vulnerability in TP-Link Wr840n. CVSS score: 4.9/10. Published 2019-04-16.

How severe is CVE-2018-18489?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in TP-Link Wr840n

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 modifying the packet size to be higher than the UI limit of 1472.

EPSS: 0.018 (75.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tp-link Wr840n — versions 2
Tp-link Wr840n_firmware — versions 3.16.9
N/a — versions n/a

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-18489?: CVE-2018-18489 is a medium-severity vulnerability in TP-Link Wr840n. CVSS score: 4.9/10. Published 2019-04-16.
How severe is CVE-2018-18489?: Medium severity. CVSS v3 base score is 4.9 out of 10.