CVE-2026-86585: Fermax Electronica S.a.u Duox Plus Monitor Firmware Veo Wi-Fi Range

High severity, CVSS 7.7. EPSS: 0.2% chance of exploitation in the next 30 days.

The lack of signature verification of firmware update packages in VEO and VEO-XS Wi-Fi monitors, in versions prior to 01.48.001, allows an attacker who controls the delivery of an update to install unauthorised firmware.

Affected products

• Fermax Electronica S.a.u Duox Plus Monitor Firmware Veo Wi-Fi Range: before 01.48.001 (fixed in 01.48.001)

Published 2026-09-16. Last modified 2026-09-18.