CVE-2021-47741 — ZBL EPON ONU Broadband Router V100R001 Privilege Escalation via Configuration Endpoint
ZBL EPON ONU Broadband Router V100R001 contains a privilege escalation vulnerability that allows limited administrative users to elevate access by sending requests to configurat…
Published: 2025-12-31 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7