Incorrect Implementation of Authentication Algorithm in DEEBOT PRO M1 and DEEBOT PRO K1VAC - CVE-2026-66411
Published: August 3, 2026
Vulnerability identifier: #VU140805
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-66411
CWE-ID: CWE-303
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to incorrect implementation of authentication algorithm in Websocket communications. A remote attacker can connect without authentication and operate the affected robot.
Affected software
DEEBOT PRO M1
DEEBOT PRO K1VAC
DEEBOT PRO K1VAC
How to mitigate CVE-2026-66411
Install updates from vendor's website.
DEEBOT PRO M1 - update to M1-1.7.27
DEEBOT PRO K1VAC - update to 1.7.821
DEEBOT PRO K1VAC - update to 1.7.821