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1 vulnerability by Zblchina

CVE-2021-47741 (GCVE-0-2021-47741)

Vulnerability from cvelistv5 – Published: 2025-12-31 18:39 – Updated: 2026-01-02 20:06
VLAI
Title
ZBL EPON ONU Broadband Router V100R001 Privilege Escalation via Configuration Endpoint
Summary
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.
Severity
8.7 (High)
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
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-522 - Insufficiently Protected Credentials
Assigner
References
Impacted products
Date Public
2021-01-31 00:00
Credits
LiquidWorm as Gjoko Krstic of Zero Science Lab
Show details on NVD website
To clipboard 

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