CVE-2026-88282 in GV-LPC2211
Summary
by MITRE • 09/10/2026
GeoVision GV-LPC2211 V1.13 allows an administrator-controlled FTP username containing shell metacharacters to be executed as arbitrary root commands during a subsequent FTP-account update.
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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 command injection flaw rooted in improper input validation within the device's administrative interface. This specific weakness allows an attacker who possesses valid administrator credentials to execute arbitrary commands with root-level privileges on the underlying operating system. The core of the issue lies in how the application processes usernames designated for FTP accounts. When an administrator attempts to update or create a new FTP account, the software accepts user-supplied input without adequately sanitizing shell metacharacters such as semicolons, pipes, ampersands, and backticks. This lack of rigorous validation means that special characters intended for command separation are passed directly into system-level commands rather than being treated strictly as literal string data.
The technical mechanism behind this exploitation involves the concatenation of user input with shell execution strings within the backend scripts or binaries managing FTP services. Because the application does not escape or filter these metacharacters, an attacker can craft a username that terminates the intended argument and appends additional commands. For instance, by inserting a semicolon followed by a malicious command into the username field during an update operation, the system interprets this input as two separate instructions: the legitimate account update procedure followed immediately by the injected payload. Since these operations are typically performed with elevated privileges to manage network services, the injected code executes under the root user context, granting complete control over the device's operating environment.
From a security classification perspective, this vulnerability aligns closely with CWE-78, which defines Improper Neutralization of Special Elements used in an OS Command commonly known as OS Command Injection. The flaw is further contextualized by MITRE ATT&CK technique T1059, specifically sub-technique 004 for Unix Shell Commands, as it enables the execution of arbitrary shell commands through a legitimate administrative interface. This classification highlights that while the entry point requires authentication, the privilege escalation from standard administrator to root via command injection significantly amplifies the severity and potential impact on system integrity.
The operational impact of this vulnerability is severe due to the combination of high privileges and remote accessibility inherent in network video recorder or surveillance management systems. An authenticated attacker can compromise the confidentiality, integrity, and availability of the entire device ecosystem. Root access allows for the installation of persistent backdoors, modification of firmware images, exfiltration of sensitive video data stored on connected drives, and use of the compromised device as a pivot point to attack other systems within the local network segment. Furthermore, because this is an embedded system often deployed in critical infrastructure or commercial environments, such compromise can lead to significant physical security risks if surveillance feeds are manipulated or disabled during the intrusion process.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. The primary defense is to apply the vendor-provided firmware patch that addresses this input validation flaw as soon as it becomes available. In environments where patching is not immediately feasible, network segmentation should be enforced to restrict access to the administrative interface of these devices strictly from trusted management networks rather than exposing them directly to untrusted zones like the internet or general corporate LANs. Additionally, implementing strict firewall rules that limit inbound connections to only necessary ports and protocols can reduce the attack surface. For administrators managing multiple units, it is crucial to enforce strong password policies for all service accounts, including FTP, although this specific vulnerability highlights that even complex passwords cannot prevent command injection if input sanitization is absent at the application logic level.