CVE-2021-43517

FOSCAM Camera FI9805E with firmware V4.02.R12.00018510.10012.143900.00000 contains a backdoor that opens Telnet port when special command is sent on port 9530.

CVSS v3.1

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

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

1.72% chance of exploitation in the next 30 days, 76th percentile

Published

2022-04-08

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://habr.com/ru/post/486856/

References

• CVE Record
• NVD entry

Related

• CVE-2021-43510
• CVE-2021-43530
• CVE-2021-43509
• CVE-2021-43557
• CVE-2021-43506
• CVE-2021-43566