What is CVE-2025-14543?

CVE-2025-14543 is a critical-severity vulnerability in Rti Connext Professional, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2026-04-30.

How severe is CVE-2025-14543?

Critical severity. CVSS v3 base score is 9.1 out of 10.

XXE in Rti Connext Professional

CVE-2025-14543

Improper Restriction of XML External Entity Reference vulnerability in 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…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Rti Connext Professional — versions 7.4.0, 7.0.0, 6.1.0
Rti Connext_professional

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

3f572a00-62e2-4423-959a-7ea25eff1638 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-14543?: CVE-2025-14543 is a critical-severity vulnerability in Rti Connext Professional, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2026-04-30.
How severe is CVE-2025-14543?: Critical severity. CVSS v3 base score is 9.1 out of 10.