External risk intelligence

Kiloview E3 Firmware OS Command Injection Vulnerability.

CVE advisorySeverity: CRITICAL (CVSS 9.4)

CVE-2026-107861

The vulnerability exists in an NDI encoder device, which is typically deployed within local media production or streaming networks. While the management interface is network-reachable and requires authentication, these devices are not designed to be public-facing edge services, making internet exposure uncommon but plausibly reachable in some misconfigured or bridge-mode deployments.

OS Command Injection

Halo Surface Signal: 3 out of 5 — possibly public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical vulnerability has been identified in the Kiloview E3 NDI encoder firmware, specifically within its system control service. This issue allows an authenticated user to execute arbitrary commands with root privileges by manipulating the hostname parameter, potentially leading to a full compromise of the device. The main concern is confirming if this specific technology is in use and exposed within your environment.

Attackers can run any command on the device.
Device compromise impacts video stream integrity.
Confirm if this NDI encoder is in use.

Attack Path

How an attacker could exploit the issue

An attacker with authenticated access to the device naming function can exploit this vulnerability. By crafting a malicious hostname, the attacker can inject shell commands that are then executed with root privileges on the affected system. This could lead to a complete compromise of the device.

Authenticated web user access required.
Hostname parameter in device naming endpoint.
Full device compromise leading to root access.

Live Threat

Current exploitation, exposure, and threat context

An authenticated web user with access to the device naming function on affected Kiloview E3 NDI encoder firmware could execute arbitrary operating system commands as root. This could lead to full device compromise when the hostname parameter is not properly sanitized before being used in a shell command.

Full device compromise.
Unsanitized hostname in shell command.
Device takeover.

Operational Fix

Recommended remediation, mitigation, and detection steps

Real-world remediation of this critical vulnerability likely falls to the platform or infrastructure teams responsible for managing the Kiloview E3 NDI encoders. They will need to first locate all instances of the affected firmware, assess their network exposure and business criticality, and identify the accountable owner for each device before planning remediation during scheduled maintenance.

Platform or infrastructure teams own remediation.
Verify device reachability and criticality first.
Plan coordinated updates or risk mitigation.

Supplementary metadata

CVSS vector

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Frequently asked questions

What is the Kiloview E3 NDI encoder?

The Kiloview E3 is a hardware device designed to convert video signals into NDI (Network Device Interface) streams. It is primarily used in professional broadcast, live production, and streaming environments to move high-quality video across IP networks. The device includes a system control service that manages configurations, such as device naming, which is the specific component affected by this vulnerability.

How does this CVE-2026-107861 vulnerability work?

This issue is an OS Command Injection, classified as CWE-78. It occurs when the software takes user-provided input—in this case, the device hostname—and inserts it directly into a system shell command without cleaning it first. Because the command is processed by the underlying operating system, an attacker can insert extra characters to execute their own malicious instructions with the highest level of system permissions (root).

What triggers this command injection?

Exploitation requires an authenticated web user to access the specific device naming function within the management interface. The vulnerability is triggered by inputting a crafted string into the hostname field. Simply browsing the device's web interface or viewing video streams does not trigger the bug; the attacker must be logged in and actively interacting with the administrative function that processes the hostname parameter.

Is my device at risk based on Halo Surface Signal?

Halo Surface Signal indicates that while these encoders are meant for internal media networks, they may be reachable if misconfigured or placed in bridge mode. If your device management interface is accessible over the public internet, the risk is significantly higher. You should assess whether your specific deployment is isolated within a private production network or if it is inadvertently exposed to broader network segments.

What should I do if I use Kiloview E3 encoders?

First, identify all Kiloview E3 units in your environment and confirm their current firmware version. Prioritize verifying that access to the management web interface is restricted to authorized administrative networks only. Coordinate with your infrastructure team to review official vendor updates and schedule maintenance for firmware remediation, while treating any device reachable from non-trusted networks as a high priority for isolation.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.