CVE-2021-20659: Contec Sv-Cpt-MC310 Firmware

High severity, CVSS 8.8. EPSS: 2.1% chance of exploitation in the next 30 days.

SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to upload arbitrary files via unspecified vectors. If the file is PHP script, an attacker may execute arbitrary code.

Affected products

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

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