CVE-2020-8087: Smc d3g0804w Firmware

Critical severity, CVSS 9.8. EPSS: 6.3% chance of exploitation in the next 30 days.

SMC Networks D3G0804W D3GNV5M-3.5.1.6.10_GA devices allow remote command execution by leveraging access to the Network Diagnostic Tools screen, as demonstrated by an admin login. The attacker must use a Parameter Pollution approach against goform/formSetDiagnosticToolsFmPing by providing the vlu_diagnostic_tools__ping_address parameter twice: once with a shell metacharacter and a command name, and once with a command argument.

Affected products

• Smc d3g0804w Firmware: version d3gnv5m-3.5.1.6.10_ga only

Published 2020-01-27. Last modified 2026-06-17.