CISA KEV · Known exploitedHigh

CVE-2021-40407

Reolink RLC-410W IP Camera

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->domain variable, that has the value of the domain parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection. An attacker can send an HTTP request to trigger this vulnerability.

CVSS: 7.2
EPSS: 47.0%
CISA KEV: Listed
Published: 2022.01.29

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability47.0%

Technical severityCVSS 7.2

Vulnerability overview

Affected product and versions

Product: Reolink RLC-410W IP Camera
Affected versions: 3.0.0.136 20121102
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization if a current mitigation is unavailable.

Due date: 2025.01.08

1
Identify
Confirm that Reolink RLC-410W IP Camera and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-78
KEV added: 2024.12.18
Ransomware use: 미확인