CVE-2021-43711: Command Injection
First published: Tue Jan 04 2022(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Totolink Ex200 Firmware | =4.0.3c.7646_b20201211 | |
| TOTOLINK EX200 | ||
| All of | ||
| Totolink Ex200 Firmware | =4.0.3c.7646_b20201211 | |
| TOTOLINK EX200 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-43711?
CVE-2021-43711 is a command injection vulnerability in the downloadFlile.cgi binary file of TOTOLINK EX200 V4.0.3c.7646_B20201211.
How severe is CVE-2021-43711?
CVE-2021-43711 has a severity rating of 9.8 (Critical).
How does the command injection vulnerability in CVE-2021-43711 occur?
The vulnerability occurs when the downloadFlile.cgi binary file receives constructed GET parameters, allowing for unauthenticated command execution.
What software versions are affected by CVE-2021-43711?
The vulnerability affects Totolink EX200 Firmware version 4.0.3c.7646_B20201211.
Is authentication required for exploiting CVE-2021-43711?
No, the vulnerability allows for unauthenticated command execution.
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- canonical/totolink ex200 firmware
- version/totolink ex200 firmware/4.0.3c.7646_b20201211
- canonical/totolink ex200