{"id":"CVE-2025-14543","title":"Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Core Libraries) allows Serialized Data External Linking","summary":"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…","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-611"],"vendor":"rti","product":"connext_professional","affected":["connext_professional >= 4.3.0, <= 5.2.3","connext_professional >= 5.3.0, <= 5.3.1.45","connext_professional >= 6.0.0, <= 6.0.1.40","connext_professional >= 6.1.0, <= 6.1.2.27","connext_professional >= 7.0.0, < 7.3.1.1","connext_professional >= 7.4.0, < 7.7.0"],"patched":["connext_professional 7.7.0"],"published":"2026-04-30","updated":"2026-09-22","sourceUpdated":"2026-09-22T18:17:09.093","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-14543","references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2025-14543","label":"3f572a00-62e2-4423-959a-7ea25eff1638"}],"tags":["nvd","cve.org"],"epss":0.00205,"epssPercentile":0.10851,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-04-30T15:42:00.570103Z"},"scores":{"nvd":9.1,"cna":8.8},"ingestedAt":"2026-09-22T18:08:12.483Z","slug":"CVE-2025-14543","body":"## Overview\n\nImproper 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.*.\n\n## Affected\n\n- `connext_professional >= 4.3.0, <= 5.2.3`\n- `connext_professional >= 5.3.0, <= 5.3.1.45`\n- `connext_professional >= 6.0.0, <= 6.0.1.40`\n- `connext_professional >= 6.1.0, <= 6.1.2.27`\n- `connext_professional >= 7.0.0, < 7.3.1.1`\n- `connext_professional >= 7.4.0, < 7.7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `connext_professional 7.7.0`","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":209297,"id":"CVE-2025-14543","ts":1790104185703,"field":"cvss","old":"8.8","new":"9.1"},{"seq":209296,"id":"CVE-2025-14543","ts":1790104185703,"field":"severity","old":"high","new":"critical"}]}