CVE-2026-22885 identifies a vulnerability in EnOcean Edge Inc's SmartServer IoT product, specifically versions 4.60.009 and earlier. The issue arises from improper processing of LON IP-852 management messages, which are part of the LonWorks protocol used for building automation and IoT device communication. An attacker with network access can send specially crafted IP-852 messages that trigger an out-of-bounds read (CWE-125), resulting in a memory leak within the SmartServer IoT application. This memory leak does not directly cause denial of service or code execution but can lead to gradual degradation of system performance or stability if exploited repeatedly. The vulnerability is remotely exploitable without authentication or user interaction, but the attack complexity is high, likely due to the need for precise message crafting and network access to the management interface. The CVSS v3.1 base score is 3.7, reflecting low severity with limited confidentiality impact and no integrity or availability impact. No patches or known exploits are currently available, and the vulnerability was published on February 20, 2026. The affected product is primarily used in IoT and building automation environments, where reliable operation is critical. The vulnerability highlights the importance of secure protocol handling in IoT devices and the risks posed by network-exposed management interfaces.

The primary impact of CVE-2026-22885 is a memory leak caused by out-of-bounds reads when processing crafted LON IP-852 messages. While this does not immediately compromise confidentiality, integrity, or availability, sustained exploitation could degrade device performance, potentially leading to instability or service interruptions in IoT deployments. For organizations relying on EnOcean SmartServer IoT in critical infrastructure, building automation, or industrial control systems, this could translate into reduced reliability and increased maintenance overhead. The vulnerability's remote exploitability without authentication increases the attack surface, especially if the management interface is exposed or insufficiently segmented. However, the high attack complexity and lack of known exploits reduce the immediate risk. Still, attackers with sufficient resources and network access could leverage this flaw as part of a broader attack strategy targeting IoT ecosystems. The absence of patches means organizations must rely on compensating controls until a fix is available.

To mitigate CVE-2026-22885, organizations should first restrict network access to the EnOcean SmartServer IoT management interface, ideally isolating it within secure network segments or VPNs to prevent unauthorized remote access. Implement strict firewall rules to block unsolicited IP-852 traffic from untrusted sources. Monitor network traffic for anomalous or malformed LON IP-852 messages that could indicate exploitation attempts. Employ intrusion detection or prevention systems capable of recognizing protocol anomalies related to LonWorks communications. Regularly audit and update IoT device configurations to minimize exposed services. Since no patches are currently available, coordinate with EnOcean Edge Inc for timely updates and apply patches promptly once released. Additionally, consider deploying endpoint monitoring on the SmartServer IoT devices to detect unusual memory usage patterns that may signal exploitation. Finally, incorporate this vulnerability into risk assessments and incident response plans for IoT infrastructure.