Medium severity · published Aug 24, 2025
CVE-2025-9386
appneta tcpreplay tcprewrite get.c get_l2len_protocol use after free
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TC
tcpreplay · appneta
4.5.0; 4.5.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9386
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9386
Exploit
https://drive.google.com/file/d/1DcQWaTmj1HSbRidOCWwe9vtgHsBnFuX7/view?usp=sharing
Exploit
https://github.com/appneta/tcpreplay/issues/973
Permissions Required
https://vuldb.com/?ctiid.321219
Third Party Advisory
https://vuldb.com/?id.321219
Third Party Advisory
https://vuldb.com/?submit.630498
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