How severe is CVE-2025-9019?

CVE-2025-9019 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-9019 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-9019?

CVE-2025-9019 affects Broadcom Tcpreplay. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-9019?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-9019 have an EU (EUVD) identifier?

Yes. CVE-2025-9019 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24989.

When was CVE-2025-9019 published?

CVE-2025-9019 was published on 2025-08-15 and last updated on 2026-06-17.

CVE-2025-9019

CVE-2025-9019 is a low-severity vulnerability in Broadcom Tcpreplay with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
CVSS v2: 2.6
CVSS v4: 1.3
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24989
Weakness: CWE-787
Affected product: Broadcom Tcpreplay
Published: 2025-08-15
Last modified: 2026-06-17

Description

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."

Frequently asked questions

What is CVE-2025-9019?: 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."
How severe is CVE-2025-9019?: CVE-2025-9019 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-9019 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-9019?: CVE-2025-9019 affects Broadcom Tcpreplay. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-9019?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-9019 have an EU (EUVD) identifier?: Yes. CVE-2025-9019 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24989.
When was CVE-2025-9019 published?: CVE-2025-9019 was published on 2025-08-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:broadcom:tcpreplay:4.5.1:*:*:*:*:*:*:*

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