XML external entity injection in RTI Connext Professional
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
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 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.*.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| RTI | Connext Professional | 7.4.0 to before 7.7.0; 7.0.0 to before 7.3.1.1; 6.1.0 and later; 6.0.0 and later; 5.3.0 and later; 5.2.0 and later; 4.3x and later | 7.7.0, 7.3.1.1 | Patch available | CNA |
- Connext Professional VendorRTI Affected 7.4.0 to before 7.7.0; 7.0.0 to before 7.3.1.1; 6.1.0 and later; 6.0.0 and later; 5.3.0 and later; 5.2.0 and later; 4.3x and later Fixed in 7.7.0, 7.3.1.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:* | 4.3.0 – 5.2.3; 5.3.0 – 5.3.1.45; 6.0.0 – 6.0.1.40; 6.1.0 – 6.1.2.27; 7.0.0 to before 7.3.1.1; 7.4.0 to before 7.7.0 | Vulnerable | RTI |
- cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:* Versions 4.3.0 – 5.2.3; 5.3.0 – 5.3.1.45; 6.0.0 – 6.0.1.40; 6.1.0 – 6.1.2.27; 7.0.0 to before 7.3.1.1; 7.4.0 to before 7.7.0 Vulnerable ·RTI
Remediation
- Fix · CNA Connext Professional (RTI) Fixed in 7.7.0, 7.3.1.1
Timeline
- 2026-10-02 Threatist record created from CVE-2025-14543
- 2026-10-03 Alias added: GHSA-3grg-c26q-4w39
References
More RTI Connext Professional vulnerabilities
- TI-2021-16087 Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro CVSS 4.0HIGH 8.8
- TI-2026-03368 Out-of-bounds read in RTI Connext Professional CVSS 4.0CRITICAL 9.2
- TI-2026-02096 Heap-based buffer overflow in RTI Connext Professional CVSS 4.0CRITICAL 9.2
- TI-2024-34933 SQL injection in RTI Connext Professional CVSS 4.0CRITICAL 9.1
- TI-2021-16038 RTI Connext DDS Professional and Connext DDS Secure Incorrect Calculation of Buffer Size CVSS 3.1CRITICAL 9.8
- TI-2026-06407 Buffer overflow in RTI Connext Professional CVSS 4.0HIGH 8.8
Sources
- CVE-2025-14543 · CVE Program
- CVE-2025-14543 · NVD
- FIRST EPSS
- GHSA-3grg-c26q-4w39 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences