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Findings

CVE-2021-40407

Reolink RLC-410W IP Camera OS Command Injection Vulnerability

Published Jan 28, 2022 · updated Jun 16, 2026 · reolink rlc-410w firmware

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.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 28, 2022 · Catalog

    Detected

    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 vulner

  2. Dec 18, 2024 · CISA KEV

    Known exploited

    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.

  3. Jan 8, 2025 · CISA KEV

    Remediation due

    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.

  4. Jun 16, 2026 · Catalog

    Updated

    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 vulner

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.

CISA due date Jan 8, 2025

Affected

  • cpe reolink/rlc-410w firmware3.0.0.136_20121102
  • vendor Reolink RLC-410W IP Cameraversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2021-40407

    Reolink RLC-410W IP cameras contain an authenticated OS command injection vulnerability in the device network settings functionality.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-40407

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-40407

    30-day exploitation probability 47.6%

    first.org
  • NIST NVDVulnerability recordCVE-2021-40407

    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 val

    nvd.nist.gov

References