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CVE-2026-31846

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CVE-2026-31846

Published: Mar 23, 2026

Modified: Mar 26, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

Missing authentication in the /goform/ate endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows an adjacent unauthenticated attacker to retrieve sensitive device information, including the administrator password. The endpoint returns a raw response containing parameters such as Login_PW, which is Base64-encoded. An attacker can decode this value to obtain valid administrative credentials and authenticate to the device.

VendorProductVersions

Nexxt Solutions

Nebula 300+ / Tenda F3 V2.0 Firmware

affected
<= 12.01.01.37

Weaknesses (CWE)

CWE-306

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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