CVE-2018-9149 Hardcoded credentials in n/a
Attackers with physical access can use hardcoded root credentials to gain full system control and enable a Telnet backdoor on the device.
- 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-2018-9149?
CVE-2018-9149 is a medium-severity vulnerability in n/a, published on 1 Apr 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Zyxel Multy X (AC3000 Tri-Band WiFi System) device doesn't use a suitable mechanism to protect the UART. After an attacker dismantles the device and uses a USB-to-UART cable to connect the device, he can use the 1234 password for the root account to login to the system. Furthermore, an attacker can start the device's TELNET service as a backdoor.
Weakness: CWE-798
Which versions are affected by CVE-2018-9149?
It affects 1 product.
Products include Zyxel Ac3000 Firmware.
How do I fix CVE-2018-9149?
No fix has been published for CVE-2018-9149 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-9149 being exploited?
There is no known exploitation of CVE-2018-9149 in the wild and no public exploit code.
Sources
Also known as GHSA-9j87-wr37-cwg6.