Command Injection Vulnerability in TOTOLINK EX200 V4.0.3c.7646_B20201211's downloadFlile.cgi Binary

CVE-2021-43711 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.

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