Buffer overflow in Broadcom Tcpreplay
CVE-2025-51005
A heap-buffer-overflow vulnerability exists in the tcpliveplay utility of the tcpreplay-4.5.1. When a crafted pcap file is processed, the program incorrectly handles memory in the checksum calculation logic at do_checksum_math_liveplay in…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (27.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Broadcom Tcpreplay — versions 4.5.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-51005?
- CVE-2025-51005 is a high-severity vulnerability in Broadcom Tcpreplay, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-09-23.
- How severe is CVE-2025-51005?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-51005 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.