CVE-2019-12789
Published Jun 17, 2019
Last updated 4 years ago
Overview
- Description
- An issue was discovered on Actiontec T2200H T2200H-31.128L.08 devices, as distributed by Telus. By attaching a UART adapter to the UART pins on the system board, an attacker can use a special key sequence (Ctrl-\) to obtain a shell with root privileges. After gaining root access, the attacker can mount the filesystem read-write and make permanent modifications to the device including bricking of the device, disabling vendor management of the device, preventing automatic upgrades, and permanently installing malicious code on the device.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 6.8
- Impact score
- 5.9
- Exploitability score
- 0.9
- Vector string
- CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 7.2
- Impact score
- 10
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- NVD-CWE-noinfo
Social media
- Hype score
- Not currently trending
Configurations
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