6.8

CVE-2018-18489: tp-link wr840n_firmware

CVSS: 6.8v2.0MediumModified
Published 16-04-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-18489 is a medium (CVSS 6.8) vulnerability in tp-link wr840n_firmware. EPSS estimates a 1.74% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
38/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.74%
0%100%
Low · +0.14 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 16-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.74%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

+0.14 pp

From 1.60% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.74%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (youtu.be)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Tp-link1 product

1 vendor · 1 product

References

1 links