ZBL EPON ONU Broadband Router V100R001 Privilege Escalation via Configuration Endpoint
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-47741
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- LiquidWorm as Gjoko Krstic of Zero Science Lab
References
- https://www.exploit-db.com/exploits/49737
- http://www.zblchina.com
- https://web.archive.org/web/20211220094023/http://www.wd-thailand.com/
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5647.php
- https://www.vulncheck.com/advisories/zbl-epon-onu-broadband-router-vr-privilege-escalation-via-configuration-endpoint
Affected Vendor
Zblchina
View all reports →