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CVE-2026-71187— Ebyte NA111-M Use of Client-Side Authentication

Quick assessment

Affected
Ebyte Ebyte NA111-M 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版本存在授权问题漏洞，该漏洞源于依赖客户端身份验证逻辑，可能导致未经身份验证的攻击者生成有效身份验证请求并绕过身份验证，从而获得设备的管理访问权限。

CVSS 9.8 · Critical EPSS 0.78% · P56

Possible ATT&CK Techniques 1 AI

T1110.001 · Password Guessing

Affected Version Matrix 1

VendorProduct Version RangeStatus
Ebyte Ebyte NA111-M Firmware 9013-2-17 affected
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I. Basic Information for CVE-2026-71187

Vulnerability Information
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Vulnerability Title
Ebyte NA111-M Use of Client-Side Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
The Ebyte device relies on client side authentication logic that can be reproduced by unauthenticated users. An attacker may generate valid authentication requests and bypass authentication to obtain administrative access to the device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用客户端的认证机制
Source: CVE Program / CVE List V5
Vulnerability Title
Ebyte NE2-D11 授权问题漏洞
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版本存在授权问题漏洞，该漏洞源于依赖客户端身份验证逻辑，可能导致未经身份验证的攻击者生成有效身份验证请求并绕过身份验证，从而获得设备的管理访问权限。
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 NA111-M Firmware 9013-2-17 -

II. Public POCs for CVE-2026-71187

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III. Intelligence Information for CVE-2026-71187

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Vendor Advisories for CVE-2026-71187 (1)

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

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
CVE-2026-73839 4.6 MEDIUM Ebyte NE2-D11 Insufficiently Protected Credentials

IV. Related Vulnerabilities

Same product: Ebyte NA111-M Firmware
Same vendor: Ebyte
Same weakness: CWE-603

V. Comments for CVE-2026-71187

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