CVE-2025-9019

A vulnerability has been found in tcpreplay 4.5.1. This vulnerability affects the function mask_cidr6 of the file cidr.c of the component tcpprep. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The researcher is able to reproduce this with the latest official release 4.5.1 and the current master branch. The code maintainer cannot reproduce this for 4.5.2-beta1. In his reply the maintainer explains that "[i]n that case, this is a duplicate that was fixed in 4.5.2."

• CWE-119
• CWE-122
• CWE-787

• https://drive.google.com/file/d/13SQYVIb_YQoRfaJaaLf6iLtMiCRCHlBc/view?usp=sharingExploit
• https://github.com/appneta/tcpreplay/issues/958Exploit, Issue Tracking, Patch, Vendor Advisory
• https://github.com/appneta/tcpreplay/issues/958#issuecomment-3124876035Exploit, Issue Tracking, Patch, Vendor Advisory
• https://github.com/appneta/tcpreplay/issues/959Exploit, Issue Tracking, Vendor Advisory
• https://vuldb.com/?ctiid.320080Permissions Required, VDB Entry
• https://vuldb.com/?id.320080Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.623635Exploit, Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.623636Exploit, Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.623637Exploit, Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.623638Exploit, Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.623639Exploit, Third Party Advisory, VDB Entry
• https://github.com/appneta/tcpreplay/issues/958Exploit, Issue Tracking, Patch, Vendor Advisory
• https://github.com/appneta/tcpreplay/issues/959Exploit, Issue Tracking, Vendor Advisory
• https://vuldb.com/?submit.623639Exploit, Third Party Advisory, VDB Entry

Published

Aug 15, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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