CVEvulnerability

CVE-2018-9149

6.8 MEDIUM Published 2018-04-01 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-04-01
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
6.8 MEDIUM — CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-798

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.

Affected configurations

• zyxel ac3000 firmware

Related

Weakness · CWE (1)

  • CWE-798 Use of Hard-coded Credentials weakness

References