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CVE-2026-69658— Ebyte NA111-M Cleartext Transmission of Sensitive Information

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 Firmware FW-9167-0-11版本存在加密问题漏洞，该漏洞源于MQTT凭据和控制流量以明文传输，可能将敏感信息暴露给网络级攻击者，导致未授权设备冒充和消息功能中断。

CVSS 9.8 · Critical EPSS 0.34% · P27

Possible ATT&CK Techniques 2 AI

T1019 T1040 · Network Sniffing

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-2026-69658

Vulnerability Information
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Vulnerability Title
Ebyte NA111-M Cleartext Transmission of Sensitive Information
Source: CVE Program / CVE List V5
Vulnerability Description
MQTT credentials and control traffic are transmitted in cleartext, exposing sensitive information to network-level attackers. This may enable unauthorized device impersonation and disruption of messaging functions.
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
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Ebyte NE2-D11 Firmware 加密问题漏洞
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 Firmware FW-9167-0-11版本存在加密问题漏洞，该漏洞源于MQTT凭据和控制流量以明文传输，可能将敏感信息暴露给网络级攻击者，导致未授权设备冒充和消息功能中断。
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-2026-69658

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III. Intelligence Information for CVE-2026-69658

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Vendor Advisories for CVE-2026-69658 (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-2026-76179 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-319

V. Comments for CVE-2026-69658

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