Use After Free Vulnerability in Appneta Tcpreplay – Appneta
CVE-2025-9157

4.8MEDIUM

Key Information:

Vendor

Appneta

Status
Tcpreplay
Vendor
CVE Published:
19 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9157?

A vulnerability has been identified in the Appneta Tcpreplay tool, specifically in the untrunc_packet function located in the source file src/tcpedit/edit_packet.c. This flaw allows for a use after free condition, which could potentially be exploited when the tool is executed locally. The vulnerability has been made public, and an exploit could be derived from this information. To mitigate the risk associated with this issue, users are strongly advised to apply the latest patch, identified by commit 73008f261f1cdf7a1087dc8759115242696d35da, to protect their systems from potential attacks.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

tcpreplay 4.5.2-beta1

tcpreplay 4.5.2-beta2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-9157 - Proof of Concept

References

https://vuldb.com/?id.320537
vdb-entrytechnical-description
https://vuldb.com/?ctiid.320537
signaturepermissions-required
https://vuldb.com/?submit.630495
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

HeureuxBuilding (VulDB User)
JSON
.