CVE-2025-1254 in Connext Professional
Summary
by MITRE • 05/08/2025
Out-of-bounds Read, Out-of-bounds Write vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers, Overflow Buffers.This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.0.0 before 6.1.2.23.
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Analysis
by VulDB Data Team • 07/31/2025
The CVE-2025-1254 vulnerability represents a critical memory safety issue within RTI Connext Professional middleware, specifically targeting the core libraries that facilitate real-time data distribution across distributed systems. This vulnerability manifests as both out-of-bounds read and write conditions, creating potential pathways for arbitrary code execution and system instability. The affected versions span multiple release branches including 7.4.0 through 7.5.0, 7.0.0 through 7.3.0.7, and 6.0.0 through 6.1.2.23, indicating a widespread impact across the product lineage. The vulnerability stems from insufficient input validation and boundary checking within the buffer handling mechanisms of the Connext Professional runtime environment.
The technical flaw resides in the improper validation of buffer sizes and memory access patterns when processing data streams within the middleware infrastructure. An attacker can exploit this vulnerability by crafting malicious data packets or manipulating the data flow to trigger buffer overreads and overwrites. When the system attempts to read beyond the allocated buffer boundaries or write data beyond the intended memory limits, it can result in information disclosure, application crashes, or potentially allow remote code execution. The vulnerability's classification aligns with CWE-129, which addresses improper validation of array indices, and CWE-787, which covers out-of-bounds write conditions. The attack surface is particularly concerning given that Connext Professional is widely deployed in safety-critical applications including automotive systems, industrial control, and aerospace communications where reliability is paramount.
The operational impact of CVE-2025-1254 extends beyond simple system instability to encompass potential security breaches and service disruptions in mission-critical environments. In automotive applications, where Connext Professional is used for vehicle communication protocols, this vulnerability could enable attackers to manipulate sensor data or control systems, potentially leading to dangerous operational failures. The vulnerability's presence in multiple version ranges suggests that organizations maintaining older deployments may remain exposed, with the risk amplifying in environments where patch management processes are delayed or complex. Organizations utilizing this middleware in industrial control systems face particular risk as the vulnerability could be leveraged to disrupt critical operations or gain unauthorized access to sensitive operational data. The ATT&CK framework categorizes this vulnerability under T1059.007 for command and scripting interpreter, and T1203 for Exploitation for Client Execution, as attackers could potentially leverage the buffer overflow to execute malicious payloads within the target environment.
Mitigation strategies for CVE-2025-1254 require immediate attention through patch management and system hardening measures. Organizations should prioritize upgrading to patched versions of RTI Connext Professional, specifically versions 7.5.0, 7.3.0.7, and 6.1.2.23 respectively, to address the root cause of the vulnerability. Additionally, implementing network segmentation and access controls can limit potential attack vectors, while monitoring systems should be deployed to detect anomalous data patterns that might indicate exploitation attempts. Runtime application protection mechanisms and memory safety checks should be enhanced to provide additional defense layers. The vulnerability's nature suggests that defensive programming practices such as bounds checking and input validation should be rigorously enforced in all middleware components. Security teams should also conduct comprehensive vulnerability assessments across their entire Connext Professional deployment landscape to identify and remediate any unpatched systems. Organizations should consider implementing intrusion detection systems specifically tuned to detect buffer overflow patterns and anomalous memory access behaviors that could indicate exploitation of this vulnerability.