CVE-2025-14543 PUBLISHED

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

Assigner: RTI
Reserved: 11.12.2025 Published: 30.04.2026 Updated: 30.04.2026

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 7.3.1.1, from 6.1.0 before 6.1., from 6.0.0 before 6.0., from 5.3.0 before 5.3., from 4.3x before 5.2..

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 8.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: 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
CVSS Score: 6.9

Security Extensions Enabled

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

Security Extensions Enabled

CVSS 4.0

Product Status

Vendor	RTI
Product	Connext Professional
Versions	Default: unaffected affected from 7.4.0 to 7.7.0 (excl.) affected from 7.0.0 to 7.3.1.1 (excl.) affected from 6.1.0 to 6.1.* (excl.) affected from 6.0.0 to 6.0.* (excl.) affected from 5.3.0 to 5.3.* (excl.) affected from 4.3x to 5.2.* (excl.)

References

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

Problem Types

CWE-611 Improper Restriction of XML External Entity Reference CWE

Impacts

CAPEC-201 Serialized Data External Linking