CVE-2026-88274 in GV-LPC2011
Summary
by MITRE • 09/10/2026
GeoVision GV-LPC2211 V1.13 allows an administrator-controlled wireless SSID containing shell syntax to execute arbitrary commands as root.
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Analysis
by VulDB Data Team • 09/10/2026
The vulnerability identified in GeoVision GV-LPC2211 firmware version 1.13 represents a critical security flaw rooted in improper input validation and command injection mechanisms within the device's administrative interface. This specific implementation allows an attacker with administrator privileges to inject shell syntax into the wireless Service Set Identifier (SSID) field, which is subsequently processed by backend scripts without adequate sanitization or escaping of special characters. The core technical failure lies in the direct concatenation of user-supplied input from the SSID configuration parameter into system-level commands executed via a command interpreter such as /bin/sh or bash. When the device attempts to apply network settings using this maliciously crafted SSID, the embedded shell metacharacters are interpreted by the operating system rather than treated as literal string data, leading to the execution of arbitrary commands with root privileges. This scenario is a classic example of Command Injection, formally categorized under CWE-78 in the Common Weakness Enumeration standard, where untrusted input influences the structure or intent of an OS command.
From an operational perspective, this vulnerability poses severe risks to network integrity and device availability. Although exploitation requires administrative access, which typically implies some level of initial compromise such as stolen credentials or physical access to the management console, the resulting impact is equivalent to that of a zero-day exploit due to the elevation of privileges to root. An attacker can leverage this flaw to install persistent backdoors, exfiltrate sensitive network traffic data stored on the device, pivot into other segments of the internal network by modifying routing tables or firewall rules, and disrupt service availability by terminating critical system processes. The ability to execute commands as root effectively grants full control over the embedded Linux environment running on the GV-LPC2211, allowing for complete subversion of the surveillance infrastructure's confidentiality, integrity, and availability guarantees.
In terms of threat modeling, this vulnerability aligns with several tactics within the MITRE ATT&CK framework. The initial access vector may involve Credential Access if administrative credentials are compromised through phishing or brute force attacks. Once inside, the exploitation of the command injection flaw facilitates Privilege Escalation to root-level permissions. Subsequently, the attacker can employ Defense Evasion techniques such as disabling logging mechanisms or hiding malicious processes, and Impact tactics like Data Exfiltration or Service Halt. The lack of input validation in a network-facing administrative feature highlights a fundamental design oversight common in Internet of Things (IoT) devices where convenience often outweighs security rigor during development cycles.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. The primary defense is to apply the vendor-provided firmware update that patches this specific command injection vulnerability, ensuring that all administrative interfaces properly sanitize input by escaping or rejecting special shell characters such as semicolons, pipes, ampersands, and backticks before passing them to system commands. In environments where immediate patching is not feasible, network segmentation should be enforced to restrict access to the management interface of these devices from untrusted networks, ensuring that only authorized administrative workstations can reach the device's web or API interfaces. Additionally, implementing strict firewall rules to limit exposure and monitoring for anomalous outbound connections originating from the IoT segment can help detect potential exploitation attempts. Regular audits of configuration settings and disabling unused services further reduce the attack surface available to an adversary who has already gained initial access through other means.