Description

Administrative credentials may be exposed in plaintext within the Ebyte device's management interface, increasing the risk of credential compromise through visual or remote observation. This undermines the confidentiality of device access.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "4.6",
  "pubDate": "2026-08-28T00:18:11.553Z",
  "pubdate": "2026-08-28T00:18:11.553Z",
  "executiveSummary": "The Ebyte device management interface exhibits a critical security flaw involving the insecure handling of administrative credentials.\nThe vulnerability manifests as the display of sensitive authentication data in plaintext within the device's web-based management console.\nThis exposure permits unauthorized actors, whether local observers or remote attackers, to obtain administrative credentials without requiring sophisticated decryption or interception techniques.\nThe impact is a total loss of confidentiality regarding device access, potentially allowing an attacker to gain full administrative control over the hardware.\nThe risk is elevated due to the ease of exploitation, as it requires only authenticated access or visual oversight of the management interface.\nThe vulnerability undermines the fundamental security posture of the Ebyte device, facilitating subsequent malicious activities such as firmware modification, unauthorized configuration changes, or the establishment of persistent backdoors within the network environment.",
  "technicalDetails": "The vulnerability originates from poor input/output handling within the Ebyte device's management interface, specifically where the administrative configuration page renders sensitive data fields.\nRather than masking the administrative credentials using standard obfuscation techniques (such as HTML 'password' input types), the application retrieves the plaintext values from the underlying configuration storage and populates the web form fields directly.\nThis flaw allows any entity with access to the management dashboard to observe these credentials in the document object model (DOM) of the browser.\nAttack flow: A user with low-level privileges or an attacker performing a Man-in-the-Middle (MitM) or Cross-Site Scripting (XSS) attack can access the configuration page. Upon loading the page, the server-side logic injects the plaintext password into the HTML value attribute of the form field. The client-side browser renders this information visibly to the screen.\nThe lack of proper masking allows an attacker to perform a simple 'Inspect Element' operation or view the source code of the page to extract the administrative password.\nFurthermore, if the management interface is exposed over unencrypted HTTP, an attacker positioned on the local network segment can intercept the plaintext credentials as they are transmitted from the device to the client's browser.\nThe exploitation requirement is minimal, necessitating only valid access to the management interface. No specialized bypass techniques are required, as the vulnerability is inherent to the interface's presentation logic.\nPost-exploitation, an attacker can authenticate as an administrator to gain full control over the Ebyte device, enabling them to alter networking parameters, redirect traffic, disable security protocols, or leverage the device as a pivot point for further lateral movement within the target network.\nThis represents a failure in implementing secure credential management practices, specifically violating the principle of least privilege and failing to protect sensitive authentication material during presentation."
}