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.

CVSS v3.1 NVD

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

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

37.84% chance of exploitation in the next 30 days, 99th percentile

Published

2022-01-04

Updated

2024-08-04

Proof-of-concept exploits (1)

• doudoudedi/ToTolink_EX200_Cmmand_Execute/blob/main/ToTolink%20EX200%20Comand%20Injection2…5★ · 2022-04-02

References

• CVE Record
• NVD entry

Related

• CVE-2019-17621
• CVE-2021-39509
• CVE-2021-39510
• CVE-2021-40546
• CVE-2021-45382
• CVE-2021-46314