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TI-2025-08841 Aliases CVE-2025-9649GHSA-cgx8-mh65-hcp4

appneta tcpreplay send_packets.c calc_sleep_time divide by zero

Priority MEDIUM 55CWE-369Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-369.

Summary

A security vulnerability has been detected in appneta tcpreplay 4.5.1. Impacted is the function calc_sleep_time of the file send_packets.c. Such manipulation leads to divide by zero. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 4.5.3-beta3 is recommended to address this issue. It is advisable to upgrade the affected component. The vendor confirms in a GitHub issue reply: "Was able to reproduce in 6fcbf03 but NOT 4.5.3-beta3."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0026 17th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix Fixed tcpreplay (appneta): 4.5.3-beta3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Broadcomtcpreplay4.5.14.5.3-beta3Patch availableCNA
  • tcpreplay VendorBroadcom Affected 4.5.1 Fixed in 4.5.3-beta3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:broadcom:tcpreplay:4.5.1:*:*:*:*:*:*:*4.5.1VulnerableBroadcom
  • cpe:2.3:a:broadcom:tcpreplay:4.5.1:*:*:*:*:*:*:* Versions 4.5.1 Vulnerable ·Broadcom

Remediation

  • Fix · CNA tcpreplay (appneta) Fixed in 4.5.3-beta3

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-9649
  2. 2026-10-03 Alias added: GHSA-cgx8-mh65-hcp4

References

Exploit 2

Other 1

  • TI-2024-15099 tcpreplay v4.4.4 was discovered to contain an infinite loop via the tcprewrite function at get.c. CVSS 3.1HIGH 7.5
  • TI-2025-32293 Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the… CVSS 3.1HIGH 7.8
  • TI-2023-12413 An issue found in TCPreplay tcprewrite v.4.4.3 allows a remote attacker to cause a denial… CVSS 3.1HIGH 7.5
  • TI-2024-02831 appneta tcpreplay get.c get_layer4_v6 heap-based overflow CVSS 3.1HIGH 7.8
  • TI-2025-32292 A heap-buffer-overflow vulnerability exists in the tcpliveplay utility of the… CVSS 3.1HIGH 7.5
  • TI-2023-12419 An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service… CVSS 3.1HIGH 7.5
See all 49 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences