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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- http://www.zblchina.com
- https://web.archive.org/web/20211220094023/http://www.wd-thailand.com/
- https://www.exploit-db.com/exploits/49737
- https://www.vulncheck.com/advisories/zbl-epon-onu-broadband-router-vr-privilege-
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5647.php
FAQ
What is CVE-2021-47741?
CVE-2021-47741 is a vulnerability with a CVSS score of 7.5 (HIGH). 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. Attacker...
How severe is CVE-2021-47741?
CVE-2021-47741 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47741?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.