CVE-2026-66411: Ecovacs Robotics Deebot Pro k1vac

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

DEEBOT PRO M1 and DEEBOT PRO K1VAC incorrectly implement authentication algorithm in Websocket communications. An unauthenticated attacker may connect and operate the affected robot.

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.