CVE-2025-14543 XML external entity in Connext Professional
An XML External Entity vulnerability in RTI Connext Professional allows attackers to access internal data or cause denial of service via serialized data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-14543?
CVE-2025-14543 is a high-severity vulnerability in RTI Connext Professional, published on 30 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.*.
Weakness: CWE-611
Which versions are affected by CVE-2025-14543?
It affects 1 product.
Products include Rti Connext Professional.
How do I fix CVE-2025-14543?
No fix has been published for CVE-2025-14543 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-14543 being exploited?
There is no known exploitation of CVE-2025-14543 in the wild and no public exploit code.
Other vulnerabilities in RTI Connext Professional
- CVE-2026-2467 Memory corruption in Connext Professional
- CVE-2026-3894 Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
- CVE-2024-52057 SQL injection in Connext Professional
- CVE-2026-7300 Memory corruption in Connext Professional
- CVE-2026-4374 XML external entity in Connext Professional
Sources
Also known as GHSA-3grg-c26q-4w39.