CVE-2025-1254 is a high-severity vulnerability affecting RTI Connext Professional, specifically its Recording Service component. The vulnerability involves both out-of-bounds read (CWE-125) and out-of-bounds write (CWE-787) conditions. These flaws allow an attacker to read or write memory outside the intended buffer boundaries, potentially leading to buffer overflows and overreads. Such memory corruption issues can cause application crashes, data leakage, or arbitrary code execution. The affected versions include 6.0.0 through 6.0.1.42, 6.1.0 through 6.1.2.23, 7.0.0 through 7.3.0.7, and 7.4.0 through versions prior to 7.5.0. The vulnerability has a CVSS 4.0 base score of 7.7, indicating high severity. The vector indicates network attack vector (AV:N), low attack complexity (AC:L), partial authentication required (PR:L), no user interaction (UI:N), and high impact on confidentiality, integrity, and availability (VC:H/VI:H/VA:H). No known exploits are currently reported in the wild. The vulnerability affects the Recording Service, which is likely used in real-time data distribution and recording scenarios, common in industrial, defense, automotive, and aerospace sectors. The out-of-bounds conditions could be triggered remotely by an authenticated attacker with network access, allowing them to compromise system stability or execute arbitrary code, potentially disrupting critical data flows or exposing sensitive information.

For European organizations, the impact of CVE-2025-1254 is significant, especially those operating in sectors relying on RTI Connext Professional for real-time data distribution and recording, such as automotive manufacturing, aerospace, defense, industrial automation, and critical infrastructure. Exploitation could lead to unauthorized data disclosure, system downtime, or control over affected systems, undermining operational integrity and safety. Given the high impact on confidentiality, integrity, and availability, organizations could face operational disruptions, intellectual property theft, or safety incidents. The partial authentication requirement limits exposure somewhat but does not eliminate risk, as insiders or compromised credentials could be leveraged. The lack of known exploits currently provides a window for mitigation, but the vulnerability’s nature suggests that motivated attackers could develop exploits, increasing risk over time. European organizations with compliance obligations under GDPR and sector-specific regulations must consider the potential data breach implications and operational risks.

1. Immediate patching: Organizations should prioritize updating RTI Connext Professional to versions 7.5.0 or later, 7.3.0.7 or later, 6.1.2.23 or later, or 6.0.1.42 or later, as applicable. 2. Network segmentation: Restrict network access to the Recording Service to trusted and authenticated users only, minimizing exposure to potential attackers. 3. Access control hardening: Enforce strict authentication and authorization policies to limit who can interact with the vulnerable service. 4. Monitoring and anomaly detection: Implement detailed logging and real-time monitoring for unusual activity targeting the Recording Service, including unexpected memory errors or crashes. 5. Incident response preparedness: Develop and test response plans specific to potential exploitation scenarios involving RTI Connext Professional. 6. Vendor engagement: Maintain communication with RTI for updates, patches, and advisories. 7. Code audit and testing: For organizations developing custom integrations, conduct thorough security testing focusing on buffer management and input validation to prevent similar issues. 8. Limit privileges: Run the Recording Service with the least privileges necessary to reduce impact if exploited.