CVE-2026-6140
CRITICAL WAF: High
CVSS 9.8
Published: 2026-04-13
CWE-77 CWE-78
A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument FileName results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used.
WAF Coverage Analysis
Command Injection
High WAF Coverage
OWASP: A03:2021 Injection
932xxx - Remote Code Execution
OS Command Injection
High WAF Coverage
OWASP: A03:2021 Injection
932xxx - Remote Code Execution