CVE-2025-56093 is an OS Command Injection vulnerability identified in the Ruijie X30-PRO router firmware version X30-PRO-V1_09241521. The flaw exists in the setWisp function located in the Lua script /usr/lib/lua/luci/modules/wireless.lua, which handles wireless configuration via HTTP POST requests. An attacker with low privileges (PR:L) can craft a malicious POST request that injects arbitrary operating system commands, which the device executes with the privileges of the affected service. The vulnerability does not require user interaction (UI:N) and can be exploited remotely over the network (AV:N) with low attack complexity (AC:L). The impact is severe, affecting confidentiality, integrity, and availability (C:H/I:H/A:H), potentially allowing full system compromise, data exfiltration, or denial of service. Although no public exploits are known yet, the vulnerability is critical due to the nature of the device as a network infrastructure component. The weakness is classified under CWE-78 (Improper Neutralization of Special Elements used in an OS Command), indicating insufficient input validation or sanitization in the affected code. The vulnerability was reserved in August 2025 and published in December 2025, with no patches currently available, increasing the urgency for mitigation.

For European organizations, this vulnerability poses a significant threat to network infrastructure security. Ruijie X30-PRO routers are often deployed in enterprise, government, and critical infrastructure environments, where compromise could lead to unauthorized access to internal networks, interception or manipulation of sensitive data, and disruption of network services. The ability to execute arbitrary commands remotely can allow attackers to install persistent backdoors, pivot within networks, or launch further attacks. This can result in data breaches, operational downtime, and damage to organizational reputation. Given the high CVSS score and the critical role of routers in network security, the impact on confidentiality, integrity, and availability is substantial. Organizations lacking timely patches or mitigations may face increased risk of targeted attacks or automated exploitation once public exploits emerge.

Since no official patches are currently available, European organizations should implement immediate compensating controls. These include: 1) Restricting management interface access to trusted IP addresses and networks only, using firewall rules and VPNs. 2) Disabling or restricting the vulnerable setWisp functionality if possible, or disabling remote management features temporarily. 3) Monitoring network traffic for unusual POST requests targeting /usr/lib/lua/luci/modules/wireless.lua or the setWisp endpoint, using IDS/IPS solutions. 4) Applying strict input validation and filtering at network boundaries to detect and block command injection attempts. 5) Segmenting the network to isolate vulnerable devices from critical assets. 6) Preparing for rapid deployment of vendor patches once released and maintaining up-to-date inventories of affected devices. 7) Conducting regular security audits and penetration tests focusing on router configurations and firmware versions. These steps will reduce the attack surface and limit potential exploitation until a vendor patch is available.