Medium severity · published Aug 24, 2025
CVE-2025-9385
appneta tcpreplay tcprewrite edit_packet.c fix_ipv6_checksums use after free
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
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.
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)0.3% · higher than 17% 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-2025-9385
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9385
Exploit
https://drive.google.com/file/d/1BQZF558bRHv07wtlCoZgtqTlEpHgfytp/view?usp=sharing
Exploit
https://github.com/appneta/tcpreplay/issues/972
Issue Tracking
https://github.com/appneta/tcpreplay/issues/972#issuecomment-3199019278
Permissions Required
https://vuldb.com/?ctiid.321218
Third Party Advisory
https://vuldb.com/?id.321218
Third Party Advisory
https://vuldb.com/?submit.630497
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