CVE-2021-47741
ZBL EPON ONU Broadband Router V100R001 Privilege Escalation via Configuration Endpoint
Vexday Risk Score
21Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 8.7EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Ciclo de vida
31 dic 2025Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
ZBL EPON ONU Broadband Router V100R001 contains a privilege escalation vulnerability that allows limited administrative users to elevate access by sending requests to configuration endpoints. Attackers can exploit the vulnerability by accessing the configuration backup or password page to disclose the super user password and gain additional privileged functionalities.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Productos afectados
Zblchina · ZBL EPON ONU Broadband Router¿Quieres saber si tu infraestructura está expuesta a esto?
Hablar con TrueHacking →Referencias
https://web.archive.org/web/20211220094023/http://www.wd-thailand.com/https://www.exploit-db.com/exploits/49737https://www.vulncheck.com/advisories/zbl-epon-onu-broadband-router-vr-privilege-escalation-via-configuration-endpointhttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5647.phphttp://www.zblchina.com