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TI-2025-08265 Aliases CVE-2025-9019GHSA-f6rq-rhh3-fpff

tcpreplay tcpprep cidr.c mask_cidr6 heap-based overflow

Priority MEDIUM 45CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A vulnerability has been found in tcpreplay 4.5.1. This vulnerability affects the function mask_cidr6 of the file cidr.c of the component tcpprep. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The researcher is able to reproduce this with the latest official release 4.5.1 and the current master branch. The code maintainer cannot reproduce this for 4.5.2-beta1. In his reply the maintainer explains that "[i]n that case, this is a duplicate that was fixed in 4.5.2."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01189 68th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

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
—tcpreplay4.5.1—No fix listedCNA
  • tcpreplay Vendor— Affected 4.5.1 Fixed in — No fix listed 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

No fixed version listed by the sources yet.

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-2025-9019
  2. 2026-10-03 Alias added: GHSA-f6rq-rhh3-fpff

References

Exploit 4

  • 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