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CVE-2026-76071

Netis NC63

Description

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 conversions that copy user-supplied input into fixed-size stack buffers before authentication is verified, achieving remote code execution as root due to the Boa web server executing the CGI environment with root privileges.

CVSS 9.8EPSS 1.061%Risque 1.07
Voir la source
Publication
2026-08-24 16:17:23
Versions concernées
<=V3.0.0.3327
Type
Micrologiciel
Dernière modification
2026-08-26 19:17:04
Vecteur
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H