CVE-2026-75548 in NE2-D11
Summary
by MITRE • 08/28/2026
The affected Ebyte device web management interface does not restrict the interface from being rendered within an external frame. An unauthenticated remote attacker could use a crafted webpage to mislead an authenticated administrator into initiating unintended configuration changes or disruptive actions.
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Analysis
by VulDB Data Team • 08/28/2026
The vulnerability described involves a lack of clickjacking protection in the web management interface of Ebyte devices, specifically related to the absence of restrictions on rendering the interface within external frames. This technical flaw allows the application content to be embedded inside an iframe from another domain without proper security headers such as X-Frame-Options or Content-Security-Policy frame-ancestors directives. In a typical secure implementation, these mechanisms prevent unauthorized sites from embedding sensitive administrative interfaces, thereby mitigating user interface redress attacks. The absence of this control creates a significant attack surface where the integrity of the administrator's interaction with the device is compromised because the browser does not enforce origin isolation for the management page.
An unauthenticated remote attacker can exploit this weakness by crafting a malicious webpage that contains an invisible or disguised iframe pointing to the Ebyte device’s administrative login or configuration pages. When an authenticated administrator visits this crafted site, potentially through social engineering tactics such as phishing emails or compromised websites, their browser will load the management interface within the frame without displaying any visual indicators of the context switch. The attacker can then overlay transparent buttons or deceptive elements on top of the legitimate interface controls. This technique misleads the user into believing they are interacting with a benign page while actually clicking through to perform unintended configuration changes or disruptive actions on the target device, such as resetting network settings, changing firmware update sources, or disabling security features.
The operational impact of this vulnerability is severe for organizations relying on these IoT devices for critical infrastructure or sensitive data processing. Since the attacker does not need prior authentication credentials to set up the attack vector, any administrator with valid access can be tricked into compromising their own device. Successful exploitation could lead to unauthorized configuration changes that disrupt network connectivity, expose internal services to external threats, or create backdoors for further lateral movement within a corporate network. In industrial control systems or smart home environments, such disruptions can result in physical consequences including equipment malfunction, service outages, or safety hazards depending on the specific function of the Ebyte device involved. The ability to manipulate administrative actions without detection undermines trust in automated management processes and requires immediate attention from security teams responsible for IoT asset protection.
To mitigate this risk, administrators should implement defense-in-depth strategies focusing on both network-level controls and application configuration. First, if possible, restrict access to the web management interface by IP address or VLAN segmentation so that only trusted internal networks can reach the administrative ports. This reduces the likelihood of an external attacker being able to serve a malicious page from within the same session context as the administrator’s browser when accessing the device. Additionally, deploying reverse proxies with security headers enabled is crucial; these proxies should inject X-Frame-Options set to DENY or SAMEORIGIN and Content-Security-Policy directives that explicitly forbid framing by external origins. Regular firmware updates provided by Ebyte may also include patches for this issue if reported through official channels. Security awareness training for administrators is equally important, as it helps them recognize signs of UI redress attacks such as unexpected page layouts or subtle discrepancies in interface elements before interacting with critical controls.