CVE-2026-31848

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 uses the ecospw cookie for authentication, which contains Base64-encoded credential data combined with a static suffix. Because the encoding is reversible and lacks integrity protection, an attacker can reconstruct or forge a valid...

CVE-2026-31847

Hidden functionality in the /goform/setSysTools endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows remote enablement of a Telnet service. By sending a crafted POST request with parameters such as telnetManageEn=true and telnetPwd, an authenticated attacker can...

CVE-2026-31847: Hidden Functionality

Hidden functionality in the /goform/setSysTools endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows remote enablement of a Telnet service. By sending a crafted POST request with parameters such as telnetManageEn=true and telnetPwd, an authenticated attacker can...

CVE-2026-31850: Plaintext Storage of a Password

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 stores sensitive information, including administrative credentials and WiFi pre-shared keys, in plaintext within exported configuration backup files. These backup files can be obtained through legitimate functionality or other...

Nexxt Solutions Nebula 300+ 安全漏洞

The Nexxt Solutions Nebula 300+ is a wireless router produced by the American company Nexxt Solutions. Versions of the Nebula 300+ prior to 12.01.01.37 contain security vulnerabilities. These vulnerabilities stem from improper storage of authentication materials, which could lead to the creation ...

CVE-2026-31848: Cleartext Storage of Sensitive Information

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 uses the ecospw cookie for authentication, which contains Base64-encoded credential data combined with a static suffix. Because the encoding is reversible and lacks integrity protection, an attacker can reconstruct or forge a valid...

PT-2026-27117

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 stores sensitive information, including administrative credentials and WiFi pre-shared keys, in plaintext within exported configuration backup files...

CVE-2026-31846: Missing Authentication for Critical Function

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. An attacker can decode this value to obtain valid...

PT-2026-27116

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement CSRF protections on state-changing administrative endpoints. A remote attacker can induce an authenticated administrator to submit crafted requests that modify device settings, including security-relevant...

CVE-2026-31849: Cross-Site Request Forgery (CSRF)

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...

CVE-2026-31851: Improper Restriction of Excessive Authentication Attempts

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout mechanisms on authentication interfaces. An attacker can perform unlimited authentication attempts against endpoints that rely on credential validation, enabling brute-force attack...

Nexxt Solutions Nebula 300+ 安全漏洞

The Nexxt Solutions Nebula 300+ is a wireless router produced by the American company Nexxt Solutions. Versions of the Nebula 300+ prior to 12.01.01.37 contain security vulnerabilities. These vulnerabilities stem from the lack of cross-site request forgery protection in the status change manageme...