CVE-2026-4475 in YI Home Camera
Summary
by MITRE • 03/20/2026
A vulnerability has been found in Yi Technology YI Home Camera 2 2.1.1_20171024151200. The affected element is an unknown function of the file home/web/ipc. Such manipulation leads to hard-coded credentials. Access to the local network is required for this attack to succeed. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 03/26/2026
The vulnerability identified as CVE-2026-4475 affects Yi Technology YI Home Camera 2 version 2.1.1_20171024151200, representing a critical security flaw within the device's firmware architecture. This issue resides in an unknown function of the home/web/ipc file, which serves as a crucial component in the camera's web interface and network communication protocols. The presence of hard-coded credentials within this function creates a fundamental security weakness that undermines the device's authentication mechanisms and exposes sensitive system access parameters. The vulnerability requires local network access to exploit, indicating that attackers must be within the same network segment as the targeted device to carry out successful attacks. This network proximity requirement does not mitigate the severity of the flaw, as local network access is often achievable through various means including compromised devices, insider threats, or physical access to network infrastructure.
The technical implementation of this vulnerability demonstrates poor security practices in credential management and software development lifecycle processes. Hard-coded credentials represent a direct violation of security best practices and are classified under CWE-798 as the use of hard-coded credentials in software applications. The flaw indicates inadequate input validation and secure coding practices during the development phase, where sensitive authentication parameters were embedded directly into the executable code rather than being dynamically generated or stored securely in protected system areas. This design choice eliminates the possibility of credential rotation or dynamic authentication mechanisms, leaving the device permanently vulnerable to exploitation once the credentials are discovered. The exploitation of this vulnerability allows attackers to gain unauthorized access to the camera's administrative functions, potentially enabling complete control over the device's operations including video streaming, configuration changes, and access to stored data.
The operational impact of CVE-2026-4475 extends beyond simple unauthorized access to encompass significant privacy and security risks for users of these devices. Attackers with access to the camera's administrative interface can potentially view live video feeds, modify device settings, disable security features, and access stored media files without detection. The local network requirement for exploitation does not prevent the vulnerability from being leveraged in sophisticated attack scenarios where attackers have already established presence within the target network environment. This flaw particularly concerns users who may have deployed these cameras in residential or commercial settings where network security might not be adequately implemented, making the devices vulnerable to exploitation through various attack vectors including compromised network devices or insider access. The public disclosure of this exploit without vendor response indicates a critical gap in the security update process, leaving users exposed to potential attacks for extended periods without official remediation.
Mitigation strategies for CVE-2026-4475 should focus on immediate network-level protections and long-term device management approaches. Network administrators should implement strict access controls and segmentation to limit potential attack vectors, while users should consider disabling unnecessary network services and updating device firmware when available. The vulnerability's classification under ATT&CK framework as a credential access technique highlights the need for comprehensive security monitoring and detection capabilities to identify unauthorized access attempts. Organizations should conduct thorough inventory assessments to identify all affected devices and implement network-based intrusion detection systems to monitor for suspicious activities related to these specific camera models. Given the vendor's lack of response to the disclosure, users may need to consider alternative security solutions including network monitoring tools, device isolation strategies, or replacement of affected hardware until official patches become available. The incident also underscores the importance of vendor security response protocols and the need for proactive security research and disclosure practices to ensure timely remediation of critical vulnerabilities in IoT devices.