CVE-2026-66407 in DEEBOT PRO M1
Summary
by MITRE • 08/10/2026
DEEBOT PRO M1 and DEEBOT PRO K1VAC improperly implement authentication in WebSocket communication. The WebSocket private key may be retrieved through analyzing the traffic data via a man-in-the-middle attack, and communication contents may be altered.
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Analysis
by VulDB Data Team • 08/10/2026
The vulnerability described involves improper implementation of authentication mechanisms within the WebSocket communication protocols of DEEBOT PRO M1 and DEEBOT PRO K1 vacuum cleaning devices. This represents a critical security flaw that directly violates fundamental principles of secure communications and network integrity. The devices fail to properly establish authenticated channels, leaving their WebSocket connections susceptible to various forms of malicious interference and data compromise.
The technical implementation error stems from the inadequate protection of private keys used for WebSocket authentication. When network traffic is intercepted through man-in-the-middle attacks, attackers can potentially extract these private keys from the captured data streams. This weakness creates a pathway for unauthorized parties to gain access to the device communication channels and manipulate transmitted information. The vulnerability manifests as a failure to properly implement cryptographic protection mechanisms that should safeguard the confidentiality and integrity of WebSocket connections.
From an operational perspective, this vulnerability presents significant risks to user privacy and device security. Attackers who successfully retrieve the private keys can not only eavesdrop on communications between the vacuum cleaners and their control applications but also inject malicious commands or data into the communication streams. The compromised authentication system allows unauthorized access to device control functions, potentially enabling remote manipulation of cleaning operations, location tracking, or other sensitive device functionalities. This creates a scenario where attackers could gain complete control over the devices without proper authorization.
The security implications extend beyond simple data interception to encompass full device compromise and potential network infiltration. According to CWE classification, this vulnerability aligns with CWE-310 which addresses cryptographic weaknesses in authentication mechanisms, specifically focusing on improper implementation of key management and authentication protocols. The attack vector through man-in-the-middle scenarios corresponds to ATT&CK technique T1046 for network service discovery and T1566 for credential access through network sniffing. Organizations should implement immediate mitigations including network monitoring for unusual WebSocket traffic patterns, deployment of secure communication protocols with proper certificate validation, and regular firmware updates to address the authentication flaws.
The vulnerability represents a failure in secure software development practices and highlights the critical importance of proper cryptographic implementation in IoT devices. Device manufacturers must ensure that WebSocket connections employ robust authentication mechanisms including proper key exchange protocols, mutual authentication, and secure channel establishment procedures. Additionally, network administrators should implement traffic filtering and monitoring solutions to detect anomalous WebSocket communication patterns that may indicate exploitation attempts. Regular security assessments and penetration testing should be conducted to identify similar implementation flaws in other connected devices within the network infrastructure.