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CVE-2026-76945— Ebyte NE2-D11 Use of Client-Side Authentication

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.

受影响的 Ebyte 设备依赖客户端管理的认证令牌，但缺乏充分的服务器端验证。攻击者可能会重放或篡改认证令牌，从而获得对管理功能的未授权访问权限。

CVSS 7.5 · High EPSS 0.36% · P29

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

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-2026-76945

Vulnerability Information
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Vulnerability Title
Ebyte NE2-D11 Use of Client-Side Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
The affected Ebyte device relies on client-managed authentication tokens without sufficient server-side validation. An attacker may replay or manipulate authentication tokens to gain unauthorized access to administrative functionality.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用客户端的认证机制
Source: CVE Program / CVE List V5

Affected Products

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

II. Public POCs for CVE-2026-76945

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-76945

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Vendor Advisories for CVE-2026-76945 (1)

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

CVE-2026-71187 9.8 CRITICAL Ebyte NE2-D11 Use of Client-Side Authentication
CVE-2026-69658 9.8 CRITICAL Ebyte NE2-D11 Cleartext Transmission of Sensitive Information
CVE-2026-76179 9.8 CRITICAL Ebyte NE2-D11 Use of GET Request Method With Sensitive Query Strings
CVE-2026-73125 9.8 CRITICAL Ebyte NE2-D11 Missing Authentication for Critical Function
CVE-2026-75814 8.8 HIGH Ebyte NE2-D11 Cross-Site Request Forgery
CVE-2026-77977 8.1 HIGH Ebyte NE2-D11 Missing Authentication for Critical Function
CVE-2026-75813 7.5 HIGH Ebyte NE2-D11 Missing Authorization
CVE-2026-76940 7.5 HIGH Ebyte NE2-D11 Improper Restriction of Excessive Authentication Attempts
CVE-2026-73809 7.5 HIGH Ebyte NE2-D11 Cleartext Transmission of Sensitive Information
CVE-2026-75548 5.4 MEDIUM Ebyte NE2-D11 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 NE2-D11 Firmware
Same vendor: Ebyte
Same weakness: CWE-603

V. Comments for CVE-2026-76945

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