CVE-2026-57999
OpenWrt · Luci-app-tailscale-community
The OpenWrt Luci-app-tailscale-community package is susceptible to command injection, potentially allowing unauthorized system command execution.
Executive summary
A critical command injection vulnerability in the OpenWrt Luci-app-tailscale-community package poses a severe risk of unauthorized remote code execution on affected network devices.
Vulnerability
This vulnerability involves a command injection flaw within the tailscale configuration component, which may allow an authenticated attacker to execute arbitrary system commands with elevated privileges.
Business impact
The exploitation of this vulnerability could lead to a complete compromise of the underlying router or network appliance. Given the CVSS score of 8.8, this represents a high-severity risk that could result in unauthorized network access, data exfiltration, or the establishment of a persistent foothold within the network infrastructure.
Remediation
Immediate Action: Audit OpenWrt package repositories and apply all available security updates for the Luci-app-tailscale-community package immediately.
Proactive Monitoring: Monitor system logs for unusual shell command execution patterns or unexpected network traffic originating from the Tailscale service.
Compensating Controls: Restrict administrative access to the Luci web interface to trusted management IP addresses to prevent unauthorized access by potential attackers.
Exploitation status
Public Exploit Available: false
Analyst recommendation
Given the high CVSS score, organizations using this package should prioritize patching. If a patch is unavailable, disable the affected service until a secure version is released to mitigate the risk of remote command execution.