OS Command Injection in TP-Link SR20 Smart Home Router - #VU18104

 

OS Command Injection in TP-Link SR20 Smart Home Router - #VU18104

Published: April 1, 2019


Vulnerability identifier: #VU18104
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: TP-Link
Affected software:
TP-Link SR20 Smart Home Router

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to incorrect filtration of user-supplied input and absent authentication when processing TFPT requests . A remote unauthenticated attacker can send a specially crafted TFPT request to upload a file and an OS command to execute arbitrary command with root privileges on the affected device.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources