CVE-2021-20658: Contec Sv-Cpt-MC310 Firmware

Critical severity, CVSS 9.8. EPSS: 3.7% chance of exploitation in the next 30 days.

SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to execute arbitrary OS commands with the web server privilege via unspecified vectors.

Affected products

• Contec Sv-Cpt-MC310 Firmware: before 6.5 (fixed in 6.5)

Published 2021-02-24. Last modified 2026-06-17.