CVE-2025-9385 MEDIUM

CVE-2025-9385: appneta tcpreplay tcprewrite edit_packet.c fix_ipv6_checksums 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 flaw has been found in appneta tcpreplay up to 4.5.1. The affected element is the function fix_ipv6_checksums of the file edit_packet.c of the component tcprewrite. This manipulation causes use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version 4.5.2-beta3 is sufficient to fix this issue. It is advisable to upgrade the affected component.

Key dates

02Disclosure timeline

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