CVE-2025-9386

tcpreplay: A vulnerability has been found in appneta tcpreplay up to 4.5.1

CVE-2025-9386 is fixed in tcpreplay on 1 platform, first by DEBIAN-CVE-2025-9386, released August 24, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0025
16th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
tcpreplay · Debian 14 4.5.2-1 DEBIAN-CVE-2025-9386 Aug 24, 2025
tcpreplay · opensuse-leap 16.0 4.5.2-bp160.1.1 OPENSUSE-SU-2025:20119-1 Nov 27, 2025

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