CVE-2026-66404: Ecovacs Robotics Deebot Pro k1vac

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

DEEBOT PRO M1 and DEEBOT PRO K1VAC do not validate server certificates in MQTT communications. Operation logs and activity logs stored on the affected products may be retrieved.

Affected products

• Ecovacs Robotics Deebot Pro k1vac: before V1.7.821 (fixed in V1.7.821)
• Ecovacs Robotics Deebot Pro m1: before M1-1.7.27 (fixed in M1-1.7.27)

Published 2026-08-10. Last modified 2026-08-28.