CVE-2021-43711

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-77

Affected software

No affected versions have been published.

Timeline

Published
Jan 4, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-43711: Critical severity, CVSS 9.8 | Vulnix