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

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-08-24 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

appneta tcpreplay: through 4.5.1

References

https://drive.google.com/file/d/1DcQWaTmj1HSbRidOCWwe9vtgHsBnFuX7/view?usp=sharing
https://github.com/appneta/tcpreplay/issues/973
https://vuldb.com/?ctiid.321219
https://vuldb.com/?id.321219
https://vuldb.com/?submit.630498

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