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I. Basic Information for CVE-2026-31849
Vulnerability Information

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Vulnerability Title
Missing CSRF Protection on Administrative Endpoints in Nexxt Nebula 300+
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement CSRF protections on state-changing endpoints such as /goform/setSysTools and other administrative interfaces. As a result, an attacker can craft malicious web requests that are executed in the context of an authenticated administrator’s browser, leading to unauthorized configuration changes, including enabling services or modifying system settings.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
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,该漏洞源于状态更改管理端点缺少跨站请求伪造保护,可能导致修改设备设置。
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+ <= 12.01.01.37 -
II. Public POCs for CVE-2026-31849
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III. Intelligence Information for CVE-2026-31849
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