CVE-2019-12789
Telus Actiontec T2200H Local Privilege Escalation
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
1Exploited in Wild
-Decision
Descriptions
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.
Se detecto un problema en los dispositivos Actiontec T2200H T2200H-31.128L.08, distribuidos por Telus. Mediante la fijación de un adaptador UART a los pines UART en la placa base, un atacante puede utilizar una secuencia de teclas especial (Ctrl- ) para obtener un shell con privilegios root. Después de obtener acceso root, el atacante puede montar el sistema de archivos de lectura y escritura y realizar modificaciones permanentes en el dispositivo, incluido el bloqueo del dispositivo, deshabilitar la administración del proveedor del dispositivo, evitar actualizaciones automáticas e instalar permanentemente código malicioso en el dispositivo.
Telus Actiontec T2200H with firmware T2200H-31.128L.08 suffers from a local privilege escalation vulnerability.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2019-06-10 CVE Reserved
- 2019-06-12 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
CAPEC
References (2)
URL | Tag | Source |
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https://www.actiontec.com/blog | Third Party Advisory |
URL | Date | SRC |
---|---|---|
http://seclists.org/fulldisclosure/2019/Jun/10 | 2024-08-04 |
URL | Date | SRC |
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URL | Date | SRC |
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Actiontec Search vendor "Actiontec" | T2200h Firmware Search vendor "Actiontec" for product "T2200h Firmware" | t2200h-31.1238l.08 Search vendor "Actiontec" for product "T2200h Firmware" and version "t2200h-31.1238l.08" | - |
Affected
| in | Actiontec Search vendor "Actiontec" | T2200h Search vendor "Actiontec" for product "T2200h" | - | - |
Safe
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