CVE-2026-76583 in TV-IP751WIC
Summary
by MITRE • 08/20/2026
A vulnerability was identified in TRENDnet TV-IP751WIC 11.03.03. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/admin/set_time.cgi of the component alphapd. The manipulation leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.
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Analysis
by VulDB Data Team • 08/20/2026
The TRENDnet TV-IP751WIC network camera, specifically running firmware version 11.03.03, contains a critical security flaw within its administrative interface that allows for remote command injection. This vulnerability resides in the alphapd component and is triggered through interaction with the /cgi-bin/admin/set_time.cgi endpoint. The core issue stems from insufficient input validation and sanitization of user-supplied data passed to this CGI script. When an attacker submits a specially crafted request containing malicious shell metacharacters or command sequences, the backend processing logic fails to properly escape these inputs before executing system commands. This lack of rigorous filtering enables the injection of arbitrary operating system commands into the execution context of the vulnerable application.
From a technical perspective, this flaw represents a classic instance of OS Command Injection, categorized under CWE-78 in the Common Weakness Enumeration standard. The vulnerability allows an unauthenticated or low-privileged attacker to execute commands with the privileges of the web server process running on the device. Since network cameras often run services with elevated permissions to manage hardware components such as PTZ controls, recording functions, and system updates, successful exploitation can lead to complete compromise of the underlying operating system. The attack vector is remote, meaning an adversary does not need physical access or prior authentication credentials if the administrative interface is exposed to untrusted networks or the internet without proper access control mechanisms.
The operational impact of this vulnerability is severe. An attacker who successfully exploits this command injection flaw can gain full control over the compromised device. This capability extends beyond simple data exfiltration; it allows for the installation of persistent backdoors, pivoting into internal network segments where the camera resides, and potentially launching further attacks against other connected devices. Given that many IP cameras are deployed in sensitive environments such as homes, offices, and industrial facilities, this compromise poses significant risks to privacy and operational security. The availability of public exploit code significantly lowers the barrier to entry for attackers, increasing the likelihood of automated scanning and exploitation campaigns targeting vulnerable instances across the internet.
Mitigation strategies must address both immediate remediation and long-term defense posture. The primary recommendation is to update the firmware on all affected TRENDnet TV-IP751WIC devices to a version that includes patches for this command injection vulnerability, provided such an update exists from the vendor. If no patch is available, network segmentation should be implemented to restrict access to the camera management interface solely to trusted IP addresses or internal subnets, preventing exposure to untrusted networks like the public internet. Additionally, deploying web application firewalls with rules specifically designed to detect and block command injection patterns can provide a layer of defense in depth. Regular vulnerability assessments and penetration testing are essential to identify similar misconfigurations across other networked devices within the infrastructure.