CVE-2021-40409 — CRITICAL (9.8)

Vulnerability Description

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->password variable, that has the value of the password parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Reolink	Rlc-410W Firmware	3.0.0.136_20121102
Reolink	Rlc-410W	-

Related Weaknesses (CWE)

CWE-78

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424ExploitThird Party Advisory

FAQ

What is CVE-2021-40409?

CVE-2021-40409 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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->password variable, that ...

How severe is CVE-2021-40409?

CVE-2021-40409 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-40409?

Check the references section above for vendor advisories and patch information. Affected products include: Reolink Rlc-410W Firmware, Reolink Rlc-410W.