An authentication bypass vulnerability in the /web/um_open_telnet.cgi endpoint in Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7…
mitre·CWE-287·Published 2025-07-15
An authentication bypass vulnerability in the /web/um_open_telnet.cgi endpoint in Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and below, allowing an attacker to remotely enable the Telnet service without authentication, bypassing security controls. The Telnet server is then accessible with hard-coded credentials, allowing attackers to gain administrative shell access and execute arbitrary commands on the device.
An authentication bypass vulnerability in the /web/um_open_telnet.cgi endpoint in Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and below, allowing an attacker to remotely enable the Telnet service without authentication, bypassing security controls. The Telnet server is then accessible with hard-coded credentials, allowing attackers to gain administrative shell access and execute arbitrary commands on the device.
Una vulnerabilidad de omisión de autenticación en el endpoint /web/um_open_telnet.cgi del router de malla Nexxt Solutions NCM-X1800 con firmware UV1.2.7 y anteriores permite a un atacante habilitar remotamente el servicio Telnet sin autenticación, evadiendo así los controles de seguridad. El servidor Telnet es entonces accesible con credenciales predefinidas, lo que permite a los atacantes obtener acceso administrativo al shell y ejecutar comandos arbitrarios en el dispositivo.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 3.1 | Primary | cve.org | 9.8 | — | — | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | Primary | cve.org | 9.8 | — | — | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | Secondary | NVD | 9.8 | 3.9 | 5.9 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |