Medium severity · published Nov 22, 2017
CVE-2017-8156
The outdoor unit of Customer Premise Equipment (CPE) product B2338-168 V100R001C00 has a no authentication vulnerability on the serial port
6.8
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
B2
B2338-168 · Huawei Technologies Co., Ltd.
V100R001C00 · source: vendor
BF
B2338-168 Firmware · Huawei
v100r001c00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8156
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8156
Vendor Advisory
http://www.huawei.com/en/psirt/security-advisories/2017/huawei-sa-20170920-01-cpe-en
More from B2338-168
8.4
CVE-2017-8155
The outdoor unit of Customer Premise Equipment (CPE) product B2338-168 V100R001C00 has a no authentication vulnerability on a certain port