CVE-2018-20114: D-Link Dir-818lw Firmware

Critical severity, CVSS 9.8. EPSS: 6.7% chance of exploitation in the next 30 days.

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.

Affected products

  • D-Link Dir-818lw Firmware: version 2.05.b03 only
  • D-Link Dir-860l Firmware: version 2.03.b03 only

Published 2019-01-02. Last modified 2026-06-17.