Auth bypass in Huawei B2338-168

CVE-2017-8155

The outdoor unit of Customer Premise Equipment (CPE) product B2338-168 V100R001C00 has a no authentication vulnerability on a certain port. After accessing the network between the indoor and outdoor units of the CPE, an attacker can deliver commands to the specific port of the outdoor unit and execute them without authentication. Successful exploit could allow the attacker to take control over the outdoor unit.

Vulnerability class: Broken Authentication

EPSS: 0.003 (21.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-8155?
CVE-2017-8155 is a high-severity vulnerability in Huawei B2338-168, classified under Missing Authentication for Critical Function. CVSS score: 8.4/10. Published 2017-11-22.
How severe is CVE-2017-8155?
High severity. CVSS v3 base score is 8.4 out of 10.