CVE-2025-9385: tcpreplay Buffer Overflow

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.

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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/972

Exploits

https://drive.google.com/file/d/1BQZF558bRHv07wtlCoZgtqTlEpHgfytp/view?usp=sharing https://github.com/appneta/tcpreplay/issues/972

Other References

https://github.com/appneta/tcpreplay/issues/972#issuecomment-3199019278 https://vuldb.com/?ctiid.321218 https://vuldb.com/?id.321218 https://vuldb.com/?submit.630497

Frequently Asked Questions

What is CVE-2025-9385? +

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

How severe is CVE-2025-9385? +

CVE-2025-9385 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-2025-9385? +

CVE-2025-9385 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-2025-9385? +

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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