Vulnerabilidades do Netcore NR256CN

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CVEs publicadas que afetam Netcore NR256CN: 3 registro(s), com versões afetadas e correções.

CVE-2026-111712 Média · 6.5 CWE-288 16/10/2026

Netcore NR256CN through 1.5.140116 Authentication Bypass via CGI Path Prefix

Netcore NR256CN through 1.5.140116 contains an authentication bypass vulnerability that allows unauthenticated attackers to reach protected management CGI handlers by prefixing the URI with a public route. Attackers can request paths prefixed with l7_web_auth.cgi or an .ico route to invoke protected management handlers without credentials.

CVE-2026-111711 Crítica · 9.8 CWE-121 16/10/2026

Netcore NR256CN through 1.5.140116 Pre-Auth Stack Overflow via Boa user_ok()

Netcore NR256CN through 1.5.140116 contains a pre-authentication stack overflow vulnerability in the Boa web server's user_ok() function, which copies Basic-auth usernames with unbounded strcpy() calls into 64-byte stack buffers. Unauthenticated attackers can send a username longer than 63 bytes to any protected /router/*.cgi route to crash the main Boa process or potentially execute code.

CVE-2026-111710 Alta · 7.5 CWE-476 16/10/2026

Netcore NR256CN through 1.5.140116 Boa Web Server NULL Pointer Dereference DoS

Netcore NR256CN through 1.5.140116 contains a NULL pointer dereference vulnerability in the Boa web server's user_auth() function that allows unauthenticated attackers to crash the server via a malformed Authorization header. Attackers can send a Basic Authorization value lacking a colon, such as one decoding to a single character, to protected routes like /router/get_user_type.cgi to kill the main Boa process and deny management interface access.