OS Command Injection in TP-Link SR20 Smart Home Router - #VU18104
Published: April 1, 2019
Vulnerability identifier: #VU18104
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: N/A
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
TP-Link SR20 Smart Home Router
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.