Command injection in Linksys WVBR0-25 - CVE-2017-17411
Published: April 24, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU12117
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-17411
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote unauthenticated attacker to execute arbitrary code with elevated privileges on the target system.
The weakness exists in the web management portal due to improper validation of user-supplied input in the User-Agent header before the execution of a system call. A remote attacker can submit a specially crafted GET request and execute arbitrary code with root privileges.
Affected software
Linksys WVBR0-25
How to mitigate CVE-2017-17411
Update to version 1.0.41.