CVE-2026-76071

CVE-2026-76071: Unauthenticated Pre-Auth Stack Buffer Overflow via sscanf %^, in skkset.cgi ipFilterList Handler in Netis NC63 Researcher: Özcan Ersan @ozcanpng Disclosure status CVE: CVE-2026-76071 Vendor: Netis Systems Co., Ltd. Product: Netis NC63 AC1200 Wireless Dual Band Gigabit MU-MIMO Rout...

CVE-2026-73673

CVE-2026-73673: Actualización de firmware no autenticada en Netis NC63 con ausencia de autenticación criptográfica del firmware Investigación original de la vulnerabilidad por Özcan Ersan @ozcanpng. Este repositorio documenta CVE-2026-73673, descubierto y reportado por el autor. Paquete de prueba...

CVE-2026-76070

CVE-2026-76070: Unauthenticated Pre-Auth Stack Buffer Overflow via Base64-Decoded Password in Netis NC63 login.cgi Leading to RCE Researcher: Özcan Ersan @ozcanpng Disclosure status CVE: CVE-2026-76070 Vendor: Netis Systems Co., Ltd. Product: Netis NC63 Wireless AC1200 Router Tested firmware:...

CVE-2026-76071

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by supplying an oversized destHost parameter to the ipFilterList=mod action in netis.cgi. Attackers can exploit widthless sscanf...

CVE-2026-76070

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by submitting an oversized Base64-encoded password to the login handler in /bin/netis.cgi. Attackers can exploit the custom Base...

CVE-2026-76071 Netis NC63 V3.0.0.3327 Stack Buffer Overflow via destHost Parameter

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by supplying an oversized destHost parameter to the ipFilterList=mod action in netis.cgi. Attackers can exploit widthless sscanf...

EUVD-2026-64922

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by supplying an oversized destHost parameter to the ipFilterList=mod action in netis.cgi. Attackers can exploit widthless sscanf...

CVE-2026-76071 Netis NC63 V3.0.0.3327 Stack Buffer Overflow via destHost Parameter

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by supplying an oversized destHost parameter to the ipFilterList=mod action in netis.cgi. Attackers can exploit widthless sscanf...

CVE-2026-76071

Netis NC63 (AC1200 Wireless Dual Band Gigabit MU-MIMO Router) firmware through V3.0.0.3327 contains a pre-authentication stack-based buffer overflow in /bin/netis.cgi. The destHost parameter in the ipFilterList=mod action uses widthless %[^,] sscanf scansets that copy unbounded input into fixed 1...

CVE-2026-76070 Netis NC63 V3.0.0.3327 Stack Buffer Overflow via Login Password Parameter

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by submitting an oversized Base64-encoded password to the login handler in /bin/netis.cgi. Attackers can exploit the custom Base...

CVE-2026-76070

Netis NC63 Wireless AC1200 router firmware through V3.0.0.3327 contains a pre-authentication stack-based buffer overflow in the login handler /bin/netis.cgi. The custom Base64 decoder writes decoded password bytes into a fixed 64-byte stack buffer without capacity checks, allowing an unauthentica...

EUVD-2026-64921

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by submitting an oversized Base64-encoded password to the login handler in /bin/netis.cgi. Attackers can exploit the custom Base...

CVE-2026-76070 Netis NC63 V3.0.0.3327 Stack Buffer Overflow via Login Password Parameter

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by submitting an oversized Base64-encoded password to the login handler in /bin/netis.cgi. Attackers can exploit the custom Base...

PT-2026-80908

Name of the Vulnerable Software and Affected Versions Netis NC63 versions prior to V3.0.0.3327 Description An issue exists where unauthenticated remote attackers can overwrite the saved stack state by providing an oversized destHost parameter to the ipFilterList=mod action in the 'netis.cgi'...

CVE-2026-76071: Stack-based Buffer Overflow

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by supplying an oversized destHost parameter to the ipFilterList=mod action in netis.cgi. Attackers can exploit widthless sscanf...

PT-2026-80907

Name of the Vulnerable Software and Affected Versions Netis NC63 versions prior to V3.0.0.3327 Description A stack-based buffer overflow exists in the login handler of the '/bin/netis.cgi' endpoint. The issue occurs because the custom Base64 decoder fails to validate the output length against a...

CVE-2026-76070: Stack-based Buffer Overflow

Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by submitting an oversized Base64-encoded password to the login handler in /bin/netis.cgi. Attackers can exploit the custom Base...

Exploit for CVE-2026-76071

CVE-2026-76071: Unauthenticated Pre-Auth Stack Buffer Overflow...

Exploit for CVE-2026-76070

CVE-2026-76070: Unauthenticated Pre-Auth Stack Buffer Overflow...

CVE-2026-73673

Netis NC63 router firmware V3.0.0.3327 contains an unauthenticated firmware update vulnerability that allows unauthenticated attackers to submit unsigned firmware images by exploiting a missing authentication enforcement flaw in the Boa web server and netis.cgi CGI dispatcher. Attackers can send ...