CVE-2026-9531

Totolink CA750-PoE Setting cstecgi.cgi setUpgradeUboot os command injection

CVSS 5.3 MEDIUMEPSS 1.8%CWE-77 CWE-78

Vexday Risk Score

33Atención

Decisión SSVC (CISA)

Attend

PoC disponible → seguir de cerca

CVSS 5.3EPSS 1.8%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Ciclo de vida

26 may 2026Publicada en NVD

Recomendación: Planificar corrección próxima — ya existe PoC pública.

A weakness has been identified in Totolink CA750-PoE 6.2c.510. Impacted is the function setUpgradeUboot of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Productos afectados

Totolink · CA750-PoE

PoCs públicas encontradas — 1

cve_referencegithub.com/wudipjq/my_vuln/blob/main/totolink4/vuln_54/54.mdno verificado

⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.

¿Quieres saber si tu infraestructura está expuesta a esto?

Hablar con TrueHacking →

Referencias

https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_54/54.md https://vuldb.com/submit/813929 https://vuldb.com/vuln/365558 https://vuldb.com/vuln/365558/cti https://www.totolink.net/