CVE-2026-88274 Overview
CVE-2026-88274 is a command injection vulnerability in the GeoVision GV-LPC2211 license plate capture device running firmware V1.13. The flaw allows an authenticated administrator to supply a wireless Service Set Identifier (SSID) that contains shell syntax. The device passes the SSID value into a shell context without sanitization, producing arbitrary command execution as root. The weakness is classified under [CWE-78] Improper Neutralization of Special Elements used in an OS Command.
Critical Impact
An administrator-controlled SSID field is interpreted by an underlying shell, giving attackers full root code execution on the embedded device and complete control over network capture functions.
Affected Products
- GeoVision GV-LPC2211 firmware V1.13
Discovery Timeline
- 2026-09-10 - CVE-2026-88274 published to the National Vulnerability Database
- 2026-09-10 - Last updated in NVD database
Technical Details for CVE-2026-88274
Vulnerability Analysis
The GV-LPC2211 exposes a wireless configuration interface that accepts an SSID string from an authenticated administrator. The firmware constructs a shell command using the SSID value and executes it through a system shell. Because the SSID field lacks input neutralization, metacharacters such as backticks, $(), semicolons, or pipes are interpreted by the shell rather than treated as literal text.
A valid administrator session is required to reach the vulnerable configuration endpoint. Once reached, the attacker submits an SSID containing shell syntax. The injected commands execute in the context of the process handling wireless configuration, which runs as root on the embedded Linux platform. The result is full device compromise, including credential theft, persistence installation, and pivot into the internal network.
Root Cause
The root cause is the absence of input validation and shell metacharacter escaping on the SSID parameter. The firmware treats administrator-supplied configuration data as trusted and interpolates it directly into an OS command string. This design assumption breaks when the SSID field is used as an injection sink for shell syntax.
Attack Vector
An authenticated administrator submits a crafted SSID through the wireless configuration interface exposed over the network. The device stores the value and later invokes a shell command referencing it, at which point the injected payload runs as root. Exploitation does not require user interaction beyond triggering the vulnerable configuration flow. See the GeoVision Cybersecurity Overview for vendor security guidance.
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Stop Exploit AttemptsDetection Methods for CVE-2026-88274
Indicators of Compromise
- Wireless configuration entries containing shell metacharacters such as `, $(, ;, |, or & in the SSID field.
- Unexpected outbound network connections from the GV-LPC2211 device to attacker-controlled infrastructure.
- New or modified processes, cron entries, or startup scripts on the device following an administrator configuration change.
Detection Strategies
- Inspect administrative HTTP traffic to the device management interface for SSID parameters containing shell syntax.
- Correlate wireless configuration change events with subsequent process execution or outbound connections from the device.
- Baseline expected device behavior and alert on deviations such as new listening ports or shell-spawning services.
Monitoring Recommendations
- Log and review all administrator authentication events to the GV-LPC2211 management interface.
- Forward device syslog output to a central collector and alert on configuration changes to wireless parameters.
- Monitor network segments hosting GeoVision devices for anomalous egress to non-corporate destinations.
How to Mitigate CVE-2026-88274
Immediate Actions Required
- Restrict management access to the GV-LPC2211 to a dedicated administrative VLAN and trusted operator workstations.
- Rotate administrator credentials and enforce strong, unique passwords for every device.
- Audit existing wireless SSID configurations for shell metacharacters and reset any suspicious values.
Patch Information
No vendor patch reference is listed in the published CVE record. Consult the GeoVision Cybersecurity Overview for firmware updates and security advisories specific to the GV-LPC2211 platform.
Workarounds
- Place GV-LPC2211 devices behind a firewall that blocks inbound access to the management interface from untrusted networks.
- Limit administrator accounts to the minimum required and disable unused wireless configuration features where possible.
- Require change-control approval for any wireless SSID modification and validate values against an allowlist of alphanumeric characters.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
