What is CVE-2021-40411?

CVE-2021-40411 is a high-severity vulnerability in Reolink Rlc-410w, classified under OS Command Injection. CVSS score: 7.2/10. Published 2022-01-28.

How severe is CVE-2021-40411?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Reolink Rlc-410w

CVE-2021-40411

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [6] the dns_data->dns2 variable, that has the value of the dns2 parameter provided through the SetLocalLink API, is not validated properly. This would lead to an OS command injection.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/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 (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40411?: CVE-2021-40411 is a high-severity vulnerability in Reolink Rlc-410w, classified under OS Command Injection. CVSS score: 7.2/10. Published 2022-01-28.
How severe is CVE-2021-40411?: High severity. CVSS v3 base score is 7.2 out of 10.