CVE-2025-9157: Appneta Tcpreplay

Medium severity, CVSS 5.3. EPSS: 0.1% chance of exploitation in the next 30 days.

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Affected products

• Appneta Tcpreplay: version 4.5.2-beta1 only; version 4.5.2-beta2 only

Published 2025-08-19. Last modified 2026-06-17.