This vulnerability (CVE-2025-4993) in RTI Connext Professional Core Libraries is classified as CWE-822 (Untrusted Pointer Dereference). It allows an attacker to manipulate pointers due to improper handling of untrusted input. Affected versions include 4.4a before 5.2.*, 5.3.0 before 5.3.*, 6.0.0 before 6.0.1.43, 6.1.0 before 6.1.2.27, 7.0.0 before 7.3.0.10, and 7.4.0 before 7.6.0. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, with high impact on confidentiality and availability. No patch or vendor advisory is provided in the data.

Successful exploitation could allow an attacker to manipulate pointers within the affected RTI Connext Professional Core Libraries, potentially leading to unauthorized access or disruption of service. The CVSS score of 8.3 reflects high impact on confidentiality and availability. There are no known exploits in the wild reported at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor RTI's official channels for updates. Until a fix is available, avoid using affected versions in untrusted environments or apply any vendor-recommended workarounds if published.