CVE-2025-9386 MEDIUM

CVE-2025-9386: appneta tcpreplay tcprewrite get.c get_l2len_protocol use after free

Vendor Appneta
Product tcpreplay
Weakness CWE-416
Published August 24, 2025
Last update August 25, 2025

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability has been found in appneta tcpreplay up to 4.5.1. The impacted element is the function get_l2len_protocol of the file get.c of the component tcprewrite. Such manipulation leads to use after free. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. Upgrading to version 4.5.2-beta3 is sufficient to resolve this issue. You should upgrade the affected component.

Key dates

02Disclosure timeline

August 24, 2025 CVE published
August 25, 2025 Record updated