CVE-2026-77966— Ebyte NA111-M Missing Authorization
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.
受影响的 Ebyte 产品未实现普通用户权限与管理权限之间的隔离。低权限的已认证攻击者能够访问对安全至关重要的配置功能，并修改影响设备保密性、完整性或可用性的设置。
Possible ATT&CK Techniques 3 AI
T1018 · Remote System Discovery T1059 · Command and Scripting Interpreter T1078 · Valid Accounts
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I. Basic Information for CVE-2026-77966
Vulnerability Information
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Vulnerability Title
Ebyte NA111-M Missing Authorization
Source: CVE Program / CVE List V5
Vulnerability Description
The affected Ebyte
product does not provide separation between limited and administrative
management functions. A low privileged authenticated attacker could
access security sensitive configuration functions and modify settings
that affect the confidentiality, integrity, or availability of the
device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Ebyte | Ebyte NA111-M Firmware | 9013-2-17 | - |
|
II. Public POCs for CVE-2026-77966
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-77966 (1)
Same Patch Batch · Ebyte · 2026-08-31 · 4 CVEs total
| CVE-2026-76133 | 9.8 CRITICAL | Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorithm |
| CVE-2026-73819 | 9.8 CRITICAL | Ebyte NA111-M Weak Authentication |
| CVE-2026-77975 | 6.5 MEDIUM | Ebyte NA111-M Cleartext Storage of Sensitive Information |
IV. Related Vulnerabilities
Same product: Ebyte NA111-M Firmware
-
CVE-2026-76133
Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorit -
CVE-2026-73819
Ebyte NA111-M Weak Authentication -
CVE-2026-77977
Ebyte NA111-M Missing Authentication for Critical Function -
CVE-2026-69658
Ebyte NA111-M Cleartext Transmission of Sensitive Informatio -
CVE-2026-75548
Ebyte NA111-M Improper Restriction of Rendered UI Layers or
Same vendor: Ebyte
-
CVE-2026-76133
Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorit -
CVE-2026-73819
Ebyte NA111-M Weak Authentication -
CVE-2026-77975
Ebyte NA111-M Cleartext Storage of Sensitive Information -
CVE-2026-77977
Ebyte NA111-M Missing Authentication for Critical Function -
CVE-2026-69658
Ebyte NA111-M Cleartext Transmission of Sensitive Informatio
Same weakness: CWE-862
-
CVE-2026-19616
Information Disclosure in TBC Technology's KitLogistic -
CVE-2026-74010
WordPress bbPress plugin <= 2.6.14 - Broken Access Control v -
CVE-2026-82878
DataEase before 2.10.26 Missing Object-Level Authorization o -
CVE-2026-82871
ToolJet before v3.16.208 Cross-Organization Data Read via Da -
CVE-2026-82660
Nodemailer jsonTransport bypasses disableFileAccess and disa
V. Comments for CVE-2026-77966
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