OS Command Injection in Reolink IP Cameras (CVE-2019-11001)

Historical catalog analysis: CISA added this entry on December 18, 2024. The entry reflects catalog information retrieved on August 31, 2026, not a snapshot archived on the inclusion date. Check current vendor guidance before acting.

What the vulnerability is

CVE-2019-11001 is an authenticated OS command injection vulnerability (CWE-78) identified in several Reolink IP camera models. The flaw exists within the “TestEmail” functionality, which allows a user with administrative privileges to inject and execute operating system commands with root-level permissions.

Exposure and applicability

This vulnerability applies specifically to the following Reolink hardware models:
* RLC-410W
* C1 Pro
* C2 Pro
* RLC-422W
* RLC-511W

Exposure is limited to authenticated administrators. An attacker must already possess administrative credentials to access the “TestEmail” feature and trigger the command injection. Organizations deploying these specific legacy models in environments where administrative account compromise is a risk, or where third-party contractors have admin access, face the highest exposure.

Remediation priorities

Based on available data, the primary challenge for remediation is that the affected products may be end-of-life (EoL) or end-of-service (EoS). Our analysis suggests the following prioritization for vulnerability management teams:

1. Asset Identification: Immediately audit IoT inventories to identify the presence of the five affected models.
2. Decommissioning Assessment: Because these devices may be EoL/EoS, a standard firmware patch may not be available. If no current mitigation is found via official channels, our analysis recommends discontinuing the use of these products to eliminate the vulnerability entirely.
3. Access Restriction: Until hardware can be replaced, restrict administrative access to these devices to the smallest possible group of trusted users and ensure they are isolated from general network traffic.

How to validate remediation

Verification in this case differs from standard patching cycles due to the potential EoL status of the hardware.

• Inventory Validation: The most direct evidence of exposure reduction is the documented removal and decommissioning of the affected models (RLC-410W, C1 Pro, C2 Pro, RLC-422W, and RLC-511W) from the network.
• Configuration Audit: If devices remain in use, verify that administrative credentials have been rotated and that access is restricted via network segmentation.

Note: A version check or a successful login attempt does not prove the vulnerability has been mitigated; only the removal of the affected hardware or a verified vendor patch (if available) provides assurance.

Limits and open questions

There are significant limitations to the current remediation path. The source indicates that these products could be EoL/EoS, meaning there may be no official path to resolve the vulnerability while keeping the hardware in service.

Furthermore, it remains unknown whether this vulnerability has been utilized in known ransomware campaigns. Defenders should operate under the assumption that any authenticated root-level execution capability represents a critical risk to the integrity of the device and potentially the local network segment.

Source and editorial note

CVE-2019-11001: Reolink Multiple IP Cameras OS Command Injection Vulnerability · Source date: December 18, 2024 · Retrieved August 31, 2026.

Material facts are tied to the cited primary source. Recommendations are independent defensive analysis unless attributed to the source. Confirm consequential decisions against current authoritative guidance.

Archive date: December 21, 2024. The displayed post date is assigned three days after the source date to organize this retrospective archive; it does not mean this site published the analysis then. First published by this site: October 31, 2026 at 00:20 UTC.

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