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CVE-2026-76133— Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorithm

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 NA111-M是中国Ebyte公司的一款无线网络模块。 Ebyte NA111-M 9013-2-17版本存在加密问题漏洞，该漏洞源于在身份验证相关操作中使用了已弃用的哈希算法，可能导致未授权访问。

CVSS 9.8 · Critical EPSS 0.40% · P33

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

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-2026-76133

Vulnerability Information
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Vulnerability Title
Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorithm
Source: CVE Program / CVE List V5
Vulnerability Description
The affected Ebyte product uses a deprecated hashing algorithm in an authentication-related operation. Under conditions where an attacker can manipulate or predict the authentication exchange, the weak construction may reduce the assurance provided by the authentication mechanism and facilitate unauthorized access.
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
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Ebyte NA111-M 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ebyte NA111-M是中国Ebyte公司的一款无线网络模块。 Ebyte NA111-M 9013-2-17版本存在加密问题漏洞，该漏洞源于在身份验证相关操作中使用了已弃用的哈希算法，可能导致未授权访问。
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-2026-76133

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III. Intelligence Information for CVE-2026-76133

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Vendor Advisories for CVE-2026-76133 (1)

Same Patch Batch · Ebyte · 2026-08-31 · 4 CVEs total

CVE-2026-73819 9.8 CRITICAL Ebyte NA111-M Weak Authentication
CVE-2026-77966 8.8 HIGH Ebyte NA111-M Missing Authorization
CVE-2026-77975 6.5 MEDIUM Ebyte NA111-M Cleartext Storage of Sensitive Information

IV. Related Vulnerabilities

Same product: Ebyte NA111-M Firmware
Same vendor: Ebyte
Same weakness: CWE-327

V. Comments for CVE-2026-76133

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