RCE in Dlink Dir-818lw

CVE-2018-20114

On D-Link DIR-818LW Rev.A 2.05.B03 and DIR-860L Rev.B 2.03.B03 devices, unauthenticated remote OS command execution can occur in the soap.cgi service of the cgibin binary via an "&&" substring in the service parameter. NOTE: this issue exists because of an incomplete fix for CVE-2018-6530.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.067 (93.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-20114: held from 0.067 to 0.067.

EPSS over last 30 days · oldest: 0.067 · newest: 0.067 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-20114?
CVE-2018-20114 is a critical-severity vulnerability in Dlink Dir-818lw, classified under OS Command Injection. CVSS score: 9.8/10. Published 2019-01-02.
How severe is CVE-2018-20114?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-20114 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.