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CVE-2021-47741

HIGH

7.5

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.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie12/31/2025

Derniere modification12/31/2025

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-522

References

http://www.zblchina.com(disclosure@vulncheck.com)

https://web.archive.org/web/20211220094023/http://www.wd-thailand.com/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49737(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/zbl-epon-onu-broadband-router-vr-privilege-escalation-via-configuration-endpoint(disclosure@vulncheck.com)

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5647.php(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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