Auth bypass in Huawei B2338-168
CVE-2017-8156
The outdoor unit of Customer Premise Equipment (CPE) product B2338-168 V100R001C00 has a no authentication vulnerability on the serial port. An attacker can access the serial port on the circuit board of the outdoor unit and log in to the CPE without authentication. Successful exploit could allow the attacker to take control over the outdoor unit.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Huawei B2338-168
- Huawei B2338-168 Firmware — versions v100r001c00
- Huawei Technologies Co., Ltd. B2338-168 — versions V100R001C00
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2017-8156?
- CVE-2017-8156 is a medium-severity vulnerability in Huawei B2338-168, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2017-11-22.
- How severe is CVE-2017-8156?
- Medium severity. CVSS v3 base score is 6.8 out of 10.