Which versions of Tcpreplay are affected by CVE-2025-9386?

Organizations using appneta tcpreplay should be aware of moderate risk from CVE-2025-9386, a buffer overflow vulnerability rated CVSS 4.8.. A patch is available.

Is there a public PoC exploit available for CVE-2025-9386?

Yes, a public proof-of-concept exploit is available for CVE-2025-9386. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-9386?

During next maintenance window: Identify affected systems running appneta tcpreplay and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Tcpreplay CVE-2025-9386

Q: What is the CVSS score of CVE-2025-9386?

CVE-2025-9386 has a CVSS 4.0 base score of 1.9 (Low). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Buffer Overflow (CWE-119)

2025-08-24 cna@vuldb.com

Buffer Overflow Denial Of Service Broadcom Tcpreplay

1.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

1.9 LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

SUSE

4.3 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Primary rating from NVD.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.8 (MEDIUM) 1.9 (LOW)

Patch released

Apr 09, 2026 - 14:30 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

PoC Detected

Oct 06, 2025 - 18:26 vuln.today

Public exploit code

CVE Published

Aug 24, 2025 - 11:15 nvd

MEDIUM 4.8

DescriptionCVE.org

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.

AnalysisAI

A vulnerability has been found in appneta tcpreplay up to 4.5.1. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. 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 include: Broadcom Tcpreplay. Version information: up to 4.5.1..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.