CVE-2025-54349CRITICAL 10.0EPSS p28.2%

CVE-2025-54349CVE-2025-54349

Description

In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.

Scoring

CVSS 3.110.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS0.36% probability of exploitation · percentile 28.2% · 2026-06-18T12:00:27Z
Published2025-08-03
Last modified2025-11-03

Underlying weaknesses· 1

CWE-193

References

  1. https://github.com/esnet/iperf/commit/4e5313bab0b9b3fe03513ab54f722c8a3e4b7bdf
  2. https://github.com/esnet/iperf/releases/tag/3.19.1
  3. https://lists.debian.org/debian-lts-announce/2025/08/msg00020.html

1

TypeTargetConfidenceTier
WeaknessOff-by-one Errorcwe-1930%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.