CVE-2018-20389: D-Link Dcm-604 Firmware

Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days.

D-Link DCM-604 DCM604_C1_ViaCabo_1.04_20130606 and DCM-704 EU_DCM-704_1.10 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

Affected products

• D-Link Dcm-604 Firmware: version dcm604_c1_viacabo_1.04_20130606 only
• D-Link Dcm-704 Firmware: version eu_dcm-704_1.10 only

Published 2018-12-23. Last modified 2026-06-17.