CVE-2026-88276 in GV-LPC2211
Summary
by MITRE • 09/10/2026
GeoVision GV-LPC2211 V1.13 allows administrator-controlled WEP key values 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 the direct execution of user-supplied data within system command interpreters. This specific issue allows an authenticated administrator to inject shell syntax into WEP key configuration fields, which are then processed by backend scripts without adequate sanitization or escaping mechanisms. The core technical failure lies in the application's assumption that administrative inputs for cryptographic parameters will remain strictly alphanumeric and structurally valid as encryption keys. Instead of treating these values solely as data strings for cryptographic operations, the underlying system logic passes them directly to operating system shell commands, such as those used for configuring network interfaces or updating wireless security settings. This architectural design choice creates a classic command injection vector where special characters like semicolons, pipes, ampersands, and backticks are interpreted by the shell rather than treated as literal data components of the WEP key itself.
From an operational perspective, this flaw enables privilege escalation to the root level with significant consequences for network integrity and device availability. Since the vulnerable code executes within a context that typically possesses elevated privileges necessary for hardware configuration changes, any command injected through the WEP field is executed with root permissions on the embedded Linux system hosting the firmware. An attacker who has obtained administrative credentials can leverage this flaw to execute arbitrary commands, effectively gaining full control over the surveillance device. This capability allows for the exfiltration of sensitive video streams, modification of network routing tables to facilitate man-in-the-middle attacks, installation of persistent backdoors or malware such as Mirai variants, and complete denial of service by disrupting system processes or wiping configuration data. The impact extends beyond the individual device, potentially compromising the broader local area network if the camera is used as a pivot point for lateral movement against other connected assets.
This vulnerability aligns with Common Weakness Enumeration (CWE) identifiers such as CWE-78 Improper Neutralization of Special Elements used in an OS Command and CWE-20 Improper Input Validation. The failure to validate or sanitize administrative inputs before their use in system-level operations is a prevalent issue in embedded IoT devices where resource constraints often lead developers to bypass robust security frameworks for simplicity. Furthermore, the exploitation technique maps directly to MITRE ATT&CK techniques including T1059 Command and Scripting Interpreter, specifically leveraging shell commands like sh or bash, and potentially T1486 Data Encrypted for Impact if used in ransomware scenarios or T1071 Application Layer Protocol for command-and-control communication setup. The presence of this flaw indicates a lack of secure coding practices regarding the separation of data and code execution contexts within the device's firmware architecture.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. The primary solution is to apply vendor-provided software patches that update the GV-LPC2211 firmware to versions where input validation has been strengthened, ensuring that WEP key fields reject non-alphanumeric characters or properly escape special symbols before passing them to system commands. In environments where patching is not immediately feasible, network segmentation should be implemented to isolate these devices from critical infrastructure and restrict administrative access to trusted management networks only. Additionally, enforcing strong password policies reduces the risk of credential compromise that precedes exploitation. Long-term resilience requires adopting secure development lifecycles for IoT products, incorporating static application security testing (SAST) tools capable of detecting command injection patterns during code review, and implementing strict input validation frameworks that treat all external data as untrusted until proven safe through rigorous sanitization protocols consistent with OWASP guidelines for embedded systems.