Vulnerability Monitor

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CVE-2021-43711

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.

Published

2022-01-04T14:15:08.127

Last Modified

2024-11-21T06:29:39.840

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-77

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	totolink	ex200_firmware	4.0.3c.7646_b20201211	Yes
Hardware	totolink	ex200	-	No

References

https://github.com/doudoudedi/ToTolink_EX200_Cmmand_Execute/blob/main/ToTolink%20EX200%20Comand%20Injection2.md Exploit, Third Party Advisory ([email protected])
https://github.com/doudoudedi/ToTolink_EX200_Cmmand_Execute/blob/main/ToTolink%20EX200%20Comand%20Injection2.md Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)