CVE-2018-6530

D-Link Multiple Routers OS Command Injection Vulnerability

  • Critical 9.8
  • Exploited: added to CISA KEV 8 Sep 2022
  • Used in ransomware campaigns

Description

OS command injection vulnerability in soap.cgi (soapcgi_main in cgibin) in D-Link DIR-880L DIR-880L_REVA_FIRMWARE_PATCH_1.08B04 and previous versions, DIR-868L DIR868LA1_FW112b04 and previous versions, DIR-65L DIR-865L_REVA_FIRMWARE_PATCH_1.08.B01 and previous versions, and DIR-860L DIR860LA1_FW110b04 and previous versions allows remote attackers to execute arbitrary OS commands via the service parameter.

Key facts

Published
6 Mar 2018
Last changed
21 Oct 2025
Assigned by
mitre
KEV added
8 Sep 2022
KEV fix due
29 Sep 2022
Used in ransomware
Yes, according to CISA
EPSS
96.682% likely to be exploited in the next 30 days, higher than 99.885% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.8CVSS 3.1, Criticalfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What to do

  • The vendor D-Link published an advisory stating the fix under CVE-2018-20114 properly patches KEV entry CVE-2018-6530. If the device is still supported, apply updates per vendor instructions. If the affected device has since entered its end-of-life, it should be disconnected if still in use.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/an/a
  • n/a (affected)

Timeline

  1. 6 Mar 2018 Published
  2. 8 Sep 2022 CVE-2018-6530 added to CISA KEV
  3. 8 Sep 2022 Added to the CISA KEV catalogue

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on OS command injection (CWE-78).

References