What is CVE-2022-27418?

CVE-2022-27418 is a high-severity vulnerability in Broadcom Tcpreplay, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-04-12.

How severe is CVE-2022-27418?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Broadcom Tcpreplay

CVE-2022-27418

Tcpreplay v4.4.1 has a heap-based buffer overflow in do_checksum_math at /tcpedit/checksum.c.

Vulnerability class: Buffer Overflow

Published 2022-04-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.6th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.008 · change: -0.000

Affected products

Broadcom Tcpreplay — versions 4.4.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/appneta/tcpreplay/issues/703 (Exploit, Patch, Third Party Advisory, Issue Tracking)
security.gentoo.org/glsa/202210-08 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2022-27418?: CVE-2022-27418 is a high-severity vulnerability in Broadcom Tcpreplay, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-04-12.
How severe is CVE-2022-27418?: High severity. CVSS v3 base score is 7.8 out of 10.