CVE-2025-9386: tcpreplay Buffer Overflow

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
broadcom	tcpreplay	< 4.5.1

References

Advisories & Patches

https://github.com/appneta/tcpreplay/issues/973

Exploits

https://drive.google.com/file/d/1DcQWaTmj1HSbRidOCWwe9vtgHsBnFuX7/view?usp=sharing https://github.com/appneta/tcpreplay/issues/973

Other References

https://vuldb.com/?ctiid.321219 https://vuldb.com/?id.321219 https://vuldb.com/?submit.630498

Frequently Asked Questions

What is CVE-2025-9386? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-9386? +

CVE-2025-9386 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-9386? +

CVE-2025-9386 affects products from broadcom, specifically: tcpreplay. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-9386? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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