CVE-2018-17580: Broadcom Tcpreplay

High severity, CVSS 7.1. EPSS: 1.2% chance of exploitation in the next 30 days.

A heap-based buffer over-read exists in the function fast_edit_packet() in the file send_packets.c of Tcpreplay v4.3.0 beta1. This can lead to Denial of Service (DoS) and potentially Information Exposure when the application attempts to process a crafted pcap file.

Affected products

• Broadcom Tcpreplay: version 4.3.0 only

Published 2018-09-28. Last modified 2026-06-17.