CVE-2025-51005 json
A heap-buffer-overflow vulnerability exists in the tcpliveplay utility of the tcpreplay-4.5.1.
published 2025-09-23 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-30924
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/appneta/tcpreplay/issues/925 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/sy460129/CVE-2025-51005 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-122 Heap-based Buffer Overflow
References
-
github.com
/appneta/tcpreplay/issues/925
exploit, issue-tracking, vendor-advisory
-
github.com
/sy460129/CVE-2025-51005
exploit, third-party-advisory
Sources
- CVE List CVE-2025-51005
- NVD CVE-2025-51005
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