CVE-2018-6530: D-Link Multiple Routers OS Command Injection Vulnerability

Multiple D-Link routers contain an unspecified vulnerability that allows for execution of OS commands.

VendorD-Link
ProductMultiple Routers
Date added to KEV2022-09-08
Due date (BOD 22-01)2022-09-29
Known ransomware campaign useKnown
CWECWE-78
Required actionThe 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.

What to do

  1. Identify every instance of D-Link Multiple Routers in your environment (asset inventory, EDR, vulnerability scanner).
  2. Apply CISA's required action: 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.
  3. Federal civilian agencies must act by 2022-09-29 under BOD 22-01; other organizations can use the same date as a target.
  4. Because ransomware use is known, check for signs of compromise and confirm backups are offline and tested.
  5. Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.

This CVE is flagged by CISA as known to be used in ransomware campaigns. Rehearse your response before you need it: Ransomware tabletop exercise kit (Runbook Foundry).

Sources

Generated from the CISA feed with AI assistance; facts are taken verbatim from the feed. Not affiliated with or endorsed by CISA. Facts come from the CISA Known Exploited Vulnerabilities catalog (public domain).