Null Pointer Dereference in Appneta Tcpreplay up to Version 4.5.1
CVE-2025-9384

4.8MEDIUM

Key Information:

Vendor

Appneta

Status
Tcpreplay
Vendor
CVE Published:
24 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9384?

A null pointer dereference vulnerability was discovered in Appneta's Tcpreplay versions up to 4.5.1, specifically within the tcpedit_post_args function located in /src/tcpedit/parse_args.c. This issue allows for local attackers to manipulate the application, potentially leading to software crashes or unexpected behavior. Although exploitation requires local access, the vulnerability remains publicly known, which emphasizes the importance of upgrading to version 4.5.2-beta2. The vendor confirms that the vulnerability could be replicated in version 6fcbf03 but not in 4.5.2-beta2, thereby highlighting the critical need for users of affected versions to update promptly to mitigate risks.

Affected Version(s)

tcpreplay 4.5.0

tcpreplay 4.5.1

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-2025-9384 - Proof of Concept

References

https://vuldb.com/?id.321217
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321217
signaturepermissions-required
https://vuldb.com/?submit.630496
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
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)
.
CVE-2025-9384 : Null Pointer Dereference in Appneta Tcpreplay up to Version 4.5.1