What’s Vulnerable › Vulnerabilities

CVE-2025-51005

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-09-23 · updated 2026-06-17
• Weakness: CWE-122

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.

Affected products

• appneta tcpreplay: 4.5.1

References

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

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