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I. Basic Information for CVE-2026-31846
Vulnerability Information

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Vulnerability Title
Unauthenticated Credential Disclosure via /goform/ate in Nexxt Nebula 300+
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nexxt Solutions Nebula 300+ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nexxt Solutions Nebula 300+是美国Nexxt Solutions公司的一款无线路由器。 Nexxt Solutions Nebula 300+ 12.01.01.37及之前版本存在安全漏洞,该漏洞源于/goform/ate端点存在未经验证的凭据泄露,可能导致获取管理员密码。
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
VendorProductAffected VersionsCPESubscribe
Nexxt SolutionsNebula 300+ / Tenda F3 V2.0 Firmware <= 12.01.01.37 -
II. Public POCs for CVE-2026-31846
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III. Intelligence Information for CVE-2026-31846
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IV. Related Vulnerabilities
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