Critical severity9.8NVD Advisory· Published Jan 4, 2022· Updated Jun 17, 2026
CVE-2021-43711
CVE-2021-43711
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.
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Affected products
3- cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:*
- TOTOLINK/EX200description
Patches
Vulnerability mechanics
References
1- github.com/doudoudedi/ToTolink_EX200_Cmmand_Execute/blob/main/ToTolink%20EX200%20Comand%20Injection2.mdnvdExploitThird Party Advisory
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