CVE-2025-51005: tcpreplay Heap Overflow

Description

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 tcpliveplay.c, leading to a possible denial of service.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
broadcom	tcpreplay	All

References

Advisories & Patches

https://github.com/appneta/tcpreplay/issues/925

Exploits

https://github.com/appneta/tcpreplay/issues/925 https://github.com/sy460129/CVE-2025-51005

Frequently Asked Questions

What is 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 tcpliveplay.c, leading to a possible denial of service. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-51005? +

CVE-2025-51005 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-51005? +

CVE-2025-51005 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-2025-51005? +

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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