CVE-2025-11665 is an OS command injection vulnerability identified in the D-Link DAP-2695 wireless access point, specifically in firmware version 2.00RC131. The vulnerability resides in the fwupdater_main function within the rgbin component, which handles firmware updates. An attacker can manipulate inputs to this function to inject arbitrary operating system commands, potentially leading to full device compromise. The attack vector is remote network access without user interaction, but it requires the attacker to have high privileges on the device, indicating some form of authentication or elevated access is necessary. The vulnerability affects only devices that are no longer supported by D-Link, meaning no official patches or firmware updates are available. The CVSS 4.0 score is 5.1 (medium severity), reflecting the moderate impact and exploitation complexity. Although no known exploits have been reported in the wild, the vulnerability poses a risk to environments where these devices remain in operation, especially if exposed to untrusted networks. The compromised device could be used as a foothold for lateral movement, data interception, or denial of service within a network. Given the device’s role as a wireless access point, exploitation could disrupt network availability and integrity.

For European organizations, the impact of this vulnerability can be significant if the affected D-Link DAP-2695 devices are still in use, particularly in critical network segments. Successful exploitation could allow attackers to execute arbitrary commands on the device, leading to potential network disruption, interception of sensitive data, or use of the device as a pivot point for further attacks. This could compromise confidentiality, integrity, and availability of network services. Since the device is a wireless access point, disruption could affect wireless connectivity for users and IoT devices, impacting business operations. The lack of vendor support means no official patches are available, increasing the risk for organizations that have not replaced or isolated these devices. The medium CVSS score reflects moderate risk, but the real-world impact depends on device exposure and network architecture. Organizations in sectors such as government, finance, healthcare, and critical infrastructure are particularly at risk if these devices are deployed in sensitive environments.

Given the absence of official patches, European organizations should prioritize the following mitigations: 1) Immediate identification and inventory of all D-Link DAP-2695 devices running firmware 2.00RC131 or similar unsupported versions. 2) Segmentation of these devices into isolated network zones with strict access controls to limit exposure to untrusted networks and reduce the attack surface. 3) Replacement or upgrade of affected devices with supported models that receive regular security updates. 4) Implementation of network monitoring and intrusion detection systems to identify anomalous activities related to firmware update processes or command injection attempts. 5) Restrict administrative access to these devices using strong authentication methods and limit access to trusted personnel only. 6) Disable remote firmware update features if not required or restrict them to secure management networks. 7) Regularly review and update network security policies to ensure legacy devices are phased out promptly. These steps go beyond generic advice by focusing on compensating controls and proactive device lifecycle management.