CVE-2025-14543 is classified as a high-severity vulnerability affecting RTI Connext Professional. This vulnerability allows for improper restriction of XML External Entity Reference, which can lead to serialized data external linking. The affected versions include Connext Professional from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, and several others down to version 4.3x before 5.2.*. With a CVSS score of 8.8, organizations must take this threat seriously.
The potential impact of this vulnerability is significant, as it can lead to unauthorized access to sensitive information. The exploitation of this vulnerability could allow attackers to gain access to confidential data, affecting the integrity and availability of affected systems. Risk to organizations includes potential data breaches and the associated reputational damage.
Currently, there is no public exploit confirmed for this vulnerability, and it is not listed in the Known Exploited Vulnerabilities (KEV) database. However, given its high CVSS score and critical nature, organizations should prioritize patching immediately to mitigate any potential threats.
Organizations using the affected versions of RTI Connext Professional should take immediate action to assess their systems and apply the necessary patches. Waiting for a scheduled maintenance window may not be sufficient given the potential risks associated with this vulnerability.
Vulnerability Details
The vulnerability identified as CVE-2025-14543 allows for improper restriction of XML External Entity Reference in RTI Connext Professional (Core Libraries). This issue affects versions of Connext Professional from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, and several others down to version 4.3x before 5.2.*. The CVSS score from version 4.0 is 8.8, indicating a high severity, while the CVSS version 3.1 scores it at 9.1, classifying it as critical.
The vulnerability falls under CWE-611, which refers to improper restriction of XML External Entity Reference. The attack vector for this vulnerability is classified as NETWORK, with a low attack complexity and no privileges required for exploitation.
Technical Analysis
The root cause of CVE-2025-14543 is related to the handling of XML External Entity references within the Connext Professional libraries. This weakness allows attackers to craft malicious XML inputs that can lead to unauthorized access to sensitive resources.
The attack vector is through the network, requiring no special privileges or user interaction, making it relatively easy for an attacker to exploit. The impact on confidentiality is high, as sensitive data could be exposed, while the integrity impact is none. The availability impact is also high, potentially disrupting services.
Risk & Impact Analysis
The deployment risk associated with CVE-2025-14543 is significant due to the nature of the vulnerability. Organizations using affected versions of RTI Connext Professional face the possibility of unauthorized data access, leading to potential data breaches and loss of trust from clients and stakeholders.
With a high probability of exploitation given the critical severity, organizations should assess their risk posture and address this vulnerability urgently. Implementing timely updates and patches can significantly reduce the attack surface and mitigate associated risks.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of RTI Connext Professional are as follows: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, and from 4.3x before 5.2.*.
Mitigation & Remediation
Organizations should monitor their systems for the affected versions of RTI Connext Professional and apply the necessary patches. If updates are not available, consider implementing configuration hardening and additional network controls to mitigate risks. For ongoing assessment of security posture, organizations may find value in penetration testing to identify vulnerabilities proactively.
Detection Guidance
To detect potential exploitation attempts of CVE-2025-14543, organizations should monitor logs for any unusual XML processing requests. Look for behavioral anomalies in data handling and external linking patterns that deviate from normal operations. Implementing network signatures can also aid in detecting malicious activities.
AppSecure Threat Intelligence Insight
CVE-2025-14543 illustrates the ongoing risks associated with improper XML handling in software. This vulnerability highlights the need for organizations to maintain vigilance regarding security practices and to adopt a proactive approach in vulnerability management. Security teams should leverage trends such as automated testing and vulnerability management programs to mitigate future risks effectively. For more guidance, resources on penetration testing methodology can provide insights into best practices for identifying and remediating vulnerabilities.
As organizations continue to adopt new technologies, the lessons from CVE-2025-14543 emphasize the importance of regular security assessments and the implementation of robust security controls that adapt to emerging threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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