CVE-2026-111710

Netcore NR256CN through 1.5.140116 contains a NULL pointer dereference vulnerability in the Boa web server's userauth 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 on...

CVE-2026-111711

Netcore NR256CN through 1.5.140116 contains a pre-authentication stack overflow vulnerability in the Boa web server's userok 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 an...

CVE-2026-111712

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 l7webauth.cgi or an .ico route to invoke protecte...

CVE-2026-111712 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 l7webauth.cgi or an .ico route to invoke protecte...

CVE-2026-111712

The Netcore NR256CN firmware, versions through 1.5.140116 , is vulnerable to an authentication bypass (CWE-288). An unauthenticated attacker can access protected management CGI handlers by prefixing the URI with a public route, such as l7_web_auth.cgi or an .ico route. This allows the invocation ...

EUVD-2026-103004

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 l7webauth.cgi or an .ico route to invoke protecte...

CVE-2026-111711 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 userok 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 an...

EUVD-2026-103003

Netcore NR256CN through 1.5.140116 contains a pre-authentication stack overflow vulnerability in the Boa web server's userok 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 an...

CVE-2026-111711

Netcore NR256CN through 1.5.140116 are vulnerable to a pre-authentication stack overflow in the Boa web server 's user_ok() function. The root cause is the use of unbounded strcpy() calls to copy Basic-auth usernames into 64-byte stack buffers. An unauthenticated attacker can trigger this by send...

EUVD-2026-103002

Netcore NR256CN through 1.5.140116 contains a NULL pointer dereference vulnerability in the Boa web server's userauth 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 on...

PT-2026-116109

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 o...

PT-2026-116111

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...

PT-2026-116110

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 a...