CVE-2018-6530: in the CISA KEV catalogue

D-Link Multiple Routers OS Command Injection Vulnerability. CISA added CVE-2018-6530 to the Known Exploited Vulnerabilities catalogue on 2022-09-08 with a default due date of 2022-09-29. Known ransomware campaign use: Known. Forensic triage flag: No.

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

Vendor / product: D-Link Multiple Routers
CWE: CWE-78
CISA 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.
EPSS: 97%, percentile 99 (scored 2026-11-03)

EPSS puts about 97 in 100 odds (97%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Vendor and reference links (from CISA)

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.

Data dates. CISA KEV catalogue version 2026.11.03, released 2026-11-03, 1,767 entries (checked 2026-11-03). EPSS model v2026.06.15, scored 2026-11-03, 399,388 CVEs. Sources: CISA and FIRST (EPSS by FIRST; scores generated by Empirical Security). Copied to our own database and refreshed automatically; if a refresh fails, the previous copy keeps serving with its own date.

Frequently asked questions

Is CVE-2018-6530 in the CISA KEV catalogue?

Yes. CISA added CVE-2018-6530 (D-Link Multiple Routers OS Command Injection Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2022-09-08. CISA's default due date for it is 2022-09-29.

Is CVE-2018-6530 used in ransomware attacks?

CISA marks known ransomware campaign use as Known for CVE-2018-6530.

What should I do about CVE-2018-6530?

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.

Sources

CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
NVD record for CVE-2018-6530