CVE-2018-20114

Name: CVE-2018-20114
Creator: NVD / NIST
Published: 2019-01-02T18:29:01.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 6.73%

Last modified Jun 17, 2026

CVE-2018-20114 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 6.73% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

6.73%

93.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Dlink	Dir-818lw Firmware	2.05.b03
Dlink	Dir-860l Firmware	2.03.b03

References

Timeline

Published: Jan 2, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20114?

How severe is CVE-2018-20114?

CVE-2018-20114 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 6.73% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20114?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20114?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST