CVE-2025-11642 in Furbo 360
Summary
by MITRE • 10/12/2025
A vulnerability was identified in Tomofun Furbo 360 and Furbo Mini. Affected is an unknown function of the component Registration Handler. Such manipulation leads to denial of service. The attack can be executed directly on the physical device. The attack requires a high level of complexity. The exploitability is told to be difficult. The firmware versions determined to be affected are Furbo 360 up to FB0035_FW_036 and Furbo Mini up to MC0020_FW_074. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 10/18/2025
This vulnerability affects the registration handler component within Tomofun Furbo 360 and Furbo Mini smart pet devices, representing a critical security flaw that could compromise device functionality and user experience. The issue stems from an unknown function within the registration handler that, when manipulated, results in a denial of service condition. This type of vulnerability falls under the category of improper input validation and weak error handling, which are commonly classified as CWE-20 (Improper Input Validation) and CWE-707 (Improper Neutralization of Input During Web Page Generation). The attack vector is particularly concerning as it can be executed directly on the physical device without requiring network connectivity or complex remote exploitation techniques, making it accessible to attackers with physical access to the device.
The technical implementation of this vulnerability likely involves a failure in the device's registration process where the system does not properly validate or handle specific input parameters during device registration or authentication. When an attacker manipulates the registration handler function, the device enters a state where it cannot properly process legitimate registration requests or maintain normal operational functionality. The high complexity requirement for exploitation suggests that the vulnerability may involve multiple steps or specific conditions that must be met before successful exploitation can occur, aligning with ATT&CK technique T1210 (Exploitation of Remote Services) and potentially T1068 (Exploitation for Privilege Escalation) if the device has elevated privileges. The difficulty of exploitation indicates that while the vulnerability exists, it requires significant technical expertise and specific conditions to be successfully leveraged.
The operational impact of this vulnerability extends beyond simple denial of service, potentially affecting pet owners' ability to use their devices effectively and compromising the security posture of connected home environments. When a device becomes unresponsive or enters a denial of service state, users lose access to critical features such as remote monitoring, feeding controls, and device management capabilities. This vulnerability represents a significant risk to device availability and user trust, particularly in IoT environments where device reliability is paramount. The affected firmware versions indicate that this is likely a persistent issue across multiple firmware releases, suggesting that the underlying code structure has not been adequately addressed by the vendor. The lack of vendor response to early disclosure attempts creates additional concern for users who may be unaware of the vulnerability or unable to obtain timely patches or mitigations.
The security implications of this vulnerability extend to broader IoT security practices and highlight the importance of proper input validation and error handling in embedded systems. Organizations should implement robust firmware update mechanisms and maintain awareness of known vulnerabilities in their connected devices. The vulnerability demonstrates the need for comprehensive security testing of IoT device components, particularly those handling user authentication and registration processes. Given the physical access requirement and high complexity, this vulnerability may be classified as a low-severity threat from a remote perspective, but represents a significant concern for physical security and device integrity. Users should consider implementing additional security measures such as network segmentation and device monitoring to detect potential exploitation attempts, while also staying informed about any vendor updates or security advisories that may address this specific vulnerability. The absence of vendor response indicates a potential gap in the security update process and may require users to seek alternative security measures or consider device replacement if no remediation becomes available.