What is CVE-2021-40408?

CVE-2021-40408 is a critical-severity vulnerability in Reolink Rlc-410w, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-01-28.

How severe is CVE-2021-40408?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Reolink Rlc-410w

CVE-2021-40408

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2], based on DDNS type, the ddns->username variable, that has the value of the userName parameter…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.037 (88.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Reolink Rlc-410w
Reolink Rlc-410w_firmware — versions 3.0.0.136_20121102
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40408?: CVE-2021-40408 is a critical-severity vulnerability in Reolink Rlc-410w, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-01-28.
How severe is CVE-2021-40408?: Critical severity. CVSS v3 base score is 9.8 out of 10.