Ebyte NE2-D11 FW-9167-0-11 Web Management Interface improper authorization

Summaryinfo

A vulnerability classified as very critical was found in Ebyte NE2-D11 FW-9167-0-11. This impacts an unknown function of the component Web Management Interface. The manipulation results in improper authorization. This vulnerability was named CVE-2026-76179. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Ebyte NE2-D11 FW-9167-0-11. It has been classified as very critical. Affected is an unknown function of the component Web Management Interface. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at cisa.gov. This vulnerability is traded as CVE-2026-76179 since 08/20/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/28/2026). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Ebyte

Name

• NE2-D11

Version

• FW-9167-0-11

CPE 2.3info

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CPE 2.2info

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