SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-8156

The outdoor unit of Customer Premise Equipment (CPE) product B2338-168 V100R001C00 has a no authentication vulnerability on the serial port.

MEDIUM 6.8EPSS 0.29%

Does this matter?

Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.0
6.8 MEDIUMCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.29% probability · 22th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-306
Affected
huawei/b2338-168 firmware
Source
psirt@huawei.com
EPSS trend
0%3%5%27 October 2026: 0.29%27 October 202627 October 2026

EPSS 0.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.