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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
foscamfi9805e_firmware
4.02.r12.00018510.10012.143900.00000:r12.00018510
𝑥
= Vulnerable software versions
References
https://habr.com/ru/post/486856/
https://habr.com/ru/post/486856/