CVE-2026-79911: fallo crítico en TOTOLINK N600R
TOTOLINK N600R CGI cstecgi.cgi setSystemConfig stack-based overflow
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
48Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 10epss 1.1%
A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106. The affected element is the function setSystemConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument Hostname leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Productos afectados
TOTOLINK · N600RPoCs públicas encontradas — 1
cve_referencegithub.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TOTOLINK_N600R_cstecgi_strcpy_sprintf_Multi_Function_Stack_Overflow.mdno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
CVEs relacionadas — TOTOLINK N600R
En el mismo producto, de las más peligrosas a las menos.
CVE-2025-9935MEDIUMTOTOLINK N600R cstecgi.cgi sub_4159F8 command injectionEPSS 2.7%CVE-2026-79912MEDIUMTOTOLINK N600R cstecgi.cgi getCurrentTime command injectionEPSS 2.1%CVE-2025-4496HIGHTOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflowEPSS 1.2%CVE-2025-8181HIGHTOTOLINK N600R/X2000R FTP Service vsftpd.conf least privilege violationEPSS 1.1%CVE-2025-11444HIGHTOTOLINK N600R HTTP Request cstecgi.cgi setWiFiBasicConfig buffer overflowEPSS 1.1%CVE-2026-82555MEDIUMTOTOLINK N600R Authentication cstecgi.cgi loginAuth random valuesEPSS 0.7%
Referencias
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TOTOLINK_N600R_cstecgi_strcpy_sprintf_Multi_Function_Stack_Overflow.mdhttps://vuldb.com/cve/CVE-2026-79911https://vuldb.com/submit/881258https://vuldb.com/vuln/395061https://vuldb.com/vuln/395061/ctihttps://www.totolink.net/