Auth bypass in Huawei Eg8141a5

CVE-2025-49599

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.

Vulnerability class: Broken Access Control

EPSS: 0.001 (0.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-49599?
CVE-2025-49599 is a medium-severity vulnerability in Huawei Eg8141a5, classified under Incorrect Authorization. CVSS score: 4.1/10. Published 2025-06-06.
How severe is CVE-2025-49599?
Medium severity. CVSS v3 base score is 4.1 out of 10.