Successful exploitation of these vulnerabilities could allow an attacker to fully compromise the device.
The following versions of Ebyte NA111-M are affected:
| CVSS | Vendor | Equipment | Vulnerabilities |
|---|---|---|---|
| v3 9.8 | Ebyte | Ebyte NA111-M | Missing Authentication for Critical Function, Use of GET Request Method With Sensitive Query Strings, Cross-Site Request Forgery (CSRF), Improper Restriction of Excessive Authentication Attempts, Missing Authorization, Cleartext Transmission of Sensitive Information, Use of Client-Side Authentication, Improper Restriction of Rendered UI Layers or Frames, Use of a Broken or Risky Cryptographic Algorithm, Weak Authentication, Cleartext Storage of Sensitive Information |
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Ebyte device web management interface does not consistently enforce authentication before granting access to administrative functionality. An unauthenticated remote attacker could access sensitive configuration information, modify device settings, or disrupt availability.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-306 Missing Authentication for Critical Function
An improper protection of authentication tokens vulnerability exists in certain Ebyte gateway products. Authentication tokens used by the web management interface are insufficiently protected during client-side session handling, which may allow an attacker with access to exposed session information to obtain and reuse a valid token. Successful exploitation could allow an attacker to impersonate an authenticated user and gain unauthorized access to device management functionality.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-598 Use of GET Request Method With Sensitive Query Strings
Ebyte device does not adequately verify the origin or authenticity of requests submitted to the web management interface. An unauthenticated remote attacker could persuade an authenticated administrator to visit a crafted page, causing unauthorized configuration changes or a disruption of device availability.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-352 Cross-Site Request Forgery (CSRF)
The affected Ebyte device does not restrict repeated authentication attempts through rate limiting or account lockout mechanisms. This could allow an attacker to perform automated authentication attacks against deployments that rely on password based authentication.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-307 Improper Restriction of Excessive Authentication Attempts
The affected 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.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-862 Missing Authorization
A cleartext transmission of sensitive information vulnerability exists in certain Ebyte gateway products. The web management interface does not adequately protect sensitive communications using transport-layer encryption. An attacker with access to network traffic could intercept authentication or session-related information transmitted between a user and the affected device. Successful exploitation could result in disclosure of sensitive information and unauthorized access to device management functionality.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-319 Cleartext Transmission of Sensitive Information
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.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-603 Use of Client-Side Authentication
The affected Ebyte device web management interface does not restrict the interface from being rendered within an external frame. An unauthenticated remote attacker could use a crafted webpage to mislead an authenticated administrator into initiating unintended configuration changes or disruptive actions.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-1021 Improper Restriction of Rendered UI Layers or Frames
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.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-319 Cleartext Transmission of Sensitive Information
The affected 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.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-327 Use of a Broken or Risky Cryptographic Algorithm
The affected product's vendor configuration utility permits access to administrative functions without verifying the operator's identity under certain credential conditions. An unauthenticated attacker on the adjacent network could modify critical settings or change access credentials, potentially preventing legitimate administrators from managing the device.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-1390 Weak Authentication
The affected product exports administrative credentials and other sensitive configuration information without adequate protection. An unauthenticated attacker on the adjacent network who can obtain an exported configuration file could recover valid credentials and use them to access the device or similarly configured systems.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-312 Cleartext Storage of Sensitive Information
The affected product's vendor configuration utility does not require authentication before allowing certain disruptive administrative actions when default credentials remain configured. An unauthenticated attacker on the adjacent network could reboot the device or restore factory settings, resulting in a loss of configuration and service availability.
Vendor:
Ebyte
Product Version:
Ebyte NA111-M Firmware: 9013-2-17
Product Status:
known_affected
Relevant CWE: CWE-306 Missing Authentication for Critical Function
This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities.
Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
Locate control system networks and remote devices behind firewalls and isolating them from business networks.
When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
Do not click web links or open attachments in unsolicited email messages.
Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.
Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.
No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.
| Date | Revision | Summary |
|---|---|---|
| 2026-08-27 | 1 | Initial Publication |
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