CVE-2017-8155 Missing authorization in B2338-168
An attacker can execute arbitrary commands on the outdoor unit of Huawei CPE devices without authentication, leading to full device control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-8155?
CVE-2017-8155 is a high-severity missing authorization vulnerability in Huawei Technologies Co., Ltd. B2338-168, published on 22 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-306
Which versions are affected by CVE-2017-8155?
It affects 1 product.
Products include Huawei B2338-168 Firmware.
How do I fix CVE-2017-8155?
No fix has been published for CVE-2017-8155 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2017-8155 being exploited?
There is no known exploitation of CVE-2017-8155 in the wild and no public exploit code.
Other vulnerabilities in Huawei Technologies Co., Ltd. B2338-168
Sources
Also known as GHSA-4x74-rjv6-jffp.