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CVE-2026-73839— Ebyte NE2-D11 Insufficiently Protected Credentials

Quick assessment

Affected
Ebyte Ebyte NE2-D11 Firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ebyte NE2-D11是中国Ebyte公司的一款物联网设备。 Ebyte NE2-D11 FW-9167-0-11版本存在信任管理问题漏洞，该漏洞源于管理凭据以明文形式暴露在设备管理界面中，可能导致凭据通过视觉或远程观察被泄露，破坏设备访问的机密性。

CVSS 4.6 · Medium EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials

Affected Version Matrix 1

VendorProduct Version RangeStatus
Ebyte Ebyte NE2-D11 Firmware FW-9167-0-11 affected
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I. Basic Information for CVE-2026-73839

Vulnerability Information
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Vulnerability Title
Ebyte NE2-D11 Insufficiently Protected Credentials
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
Ebyte NE2-D11 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ebyte NE2-D11是中国Ebyte公司的一款物联网设备。 Ebyte NE2-D11 FW-9167-0-11版本存在信任管理问题漏洞，该漏洞源于管理凭据以明文形式暴露在设备管理界面中，可能导致凭据通过视觉或远程观察被泄露，破坏设备访问的机密性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Ebyte Ebyte NE2-D11 Firmware FW-9167-0-11 -

II. Public POCs for CVE-2026-73839

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III. Intelligence Information for CVE-2026-73839

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Vendor Advisories for CVE-2026-73839 (1)

Same Patch Batch · Ebyte · 2026-08-27 · 12 CVEs total

CVE-2026-71187 9.8 CRITICAL Ebyte NA111-M Use of Client-Side Authentication
CVE-2026-69658 9.8 CRITICAL Ebyte NA111-M Cleartext Transmission of Sensitive Information
CVE-2026-76179 9.8 CRITICAL Ebyte NA111-M Use of GET Request Method With Sensitive Query Strings
CVE-2026-73125 9.8 CRITICAL Ebyte NA111-M Missing Authentication for Critical Function
CVE-2026-75814 8.8 HIGH Ebyte NA111-M Cross-Site Request Forgery
CVE-2026-77977 8.1 HIGH Ebyte NA111-M Missing Authentication for Critical Function
CVE-2026-75813 7.5 HIGH Ebyte NE2-D11 Missing Authorization
CVE-2026-76940 7.5 HIGH Ebyte NA111-M Improper Restriction of Excessive Authentication Attempts
CVE-2026-76945 7.5 HIGH Ebyte NE2-D11 Use of Client-Side Authentication
CVE-2026-73809 7.5 HIGH Ebyte NA111-M Cleartext Transmission of Sensitive Information
CVE-2026-75548 5.4 MEDIUM Ebyte NA111-M Improper Restriction of Rendered UI Layers or Frames

IV. Related Vulnerabilities

Same product: Ebyte NE2-D11 Firmware
Same vendor: Ebyte
Same weakness: CWE-522

V. Comments for CVE-2026-73839

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