Huawei EG8141A5 devices through V5R019C00S100, EG8145V5 devices through V5R019C00S100, and EG8145V5-V2 devices through V5R021C00S184 allow the Epuser account to disable ONT firewall functionality, e.g., to remove the default blocking of the SSH and TELNET TCP ports, aka HWNO-56Q3.
Conclusion & alert: CVE-2025-49599 is rated Low Risk (16.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.01%).Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2025-49599
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).