CVE-2025-14543

Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Core Libraries) allows Serialized Data External Linking.

State: Published
Severity: 8.8 High
Published: Apr 30, 2026
Updated: Sep 22, 2026
Reserved: Dec 11, 2025

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Description

Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Core Libraries) allows Serialized Data External Linking. This issue affects Connext Professional: 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.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.

Scores

CVSS	Score	Vector	Source
4.0	8.8 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N	RTI
4.0	6.9 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N	RTI

Weaknesses

CWE-611 Improper Restriction of XML External Entity Reference

Affected Products

Product	Versions
Connext ProfessionalRTI	7.4.0 to before 7.7.0Affected 7.0.0 to before 7.3.1.1Affected 6.1.0 to before 6.1.Affected 6.0.0 to before 6.0.Affected 5.3.0 to before 5.3.Affected 5.2.0 to before 5.2.Affected 4.3x to before 5.1.*Affected

References

https://www.rti.com/vulnerabilities/#cve-2025-14543

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