External risk intelligence

AVer Camera Arbitrary Code Execution Vulnerability.

CVE advisorySeverity: CRITICAL (CVSS 9.3)

CVE-2026-40624

The vulnerability affects network-connected cameras that utilize web requests for functionality. These devices are frequently deployed in configurations where their management interfaces or web services are reachable over a network, making them commonly accessible as web-based endpoints in various environments.

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability has been identified in certain AVer camera models that could allow an unauthorized remote attacker to execute arbitrary code. This is due to improper handling of user input in web requests.

Unauthenticated attackers can run their own code.
Critical vulnerability in network-connected cameras.
Confirm relevance and exposure for these devices.

Attack Path

How an attacker could exploit the issue

A remote, unauthenticated attacker could interact with the cameras' web interface to execute arbitrary code. This could happen if the attacker sends a specially crafted web request to the camera, exploiting a flaw in how the device handles input.

Attacker can reach device over network.
Attacker sends a malformed web request.
Risk of arbitrary code execution.

Live Threat

Current exploitation, exposure, and threat context

An unauthenticated attacker could potentially execute arbitrary code on affected camera devices when supported by the advisory by sending a specially crafted web request. This could impact the device's normal operation and potentially compromise its data or service behavior.

Camera system data and functionality.
Via crafted web requests over a network.
Unauthorized code execution on the camera.

Operational Fix

Recommended remediation, mitigation, and detection steps

The real-world impact of this vulnerability likely falls on teams responsible for the security and management of networked devices, such as infrastructure or security operations teams, and potentially application owners if these cameras are integrated into broader systems. The immediate first step is to identify all deployed AVer cameras, determine their network exposure, and ascertain which are business-critical before planning any remediation.

Identify camera owners and critical systems.
Verify network reachability and exposure.
Plan remediation based on risk assessment.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is the AVer PTC500S and related camera series?

These are professional-grade PTZ (Pan-Tilt-Zoom) cameras designed for high-quality video capture in classrooms, conference rooms, and live broadcasting. They function as networked devices, allowing administrators to manage video streams, camera positioning, and system settings remotely through an integrated web-based interface.

What does improper input validation mean for CVE-2026-40624?

This vulnerability, classified as CWE-552, happens when the camera's software fails to properly check or filter data sent to it by a user. Because the device doesn't safely process this incoming information, an attacker can supply malicious instructions disguised as a standard web request, tricking the device into executing unauthorized commands.

How is this arbitrary code execution triggered?

An attacker triggers this flaw by sending a specially crafted web request to the camera's management interface over the network. The vulnerability requires no prior authentication or user interaction. Simple, legitimate administrative actions that do not involve malformed or malicious data inputs will not trigger this security flaw.

Is my network-connected camera at risk?

Halo Surface Signal identifies these cameras as high-risk because they are often deployed with management interfaces reachable over the network. If your cameras have their web interfaces accessible via the internet or an untrusted network segment, they are more likely to be reachable by an attacker. Devices restricted to secure, isolated internal management networks face a different risk profile.

What are the first steps to secure these cameras?

Start by auditing your network to locate all AVer PTC series devices and determine which are visible or accessible from outside your local network. Prioritize checking critical systems for immediate containment. Consult the manufacturer's official security guidance to identify available updates or configuration changes recommended to mitigate this unauthorized access risk.

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.