CVE-2025-54349

CRITICAL EPSS 28.4%
Published Aug 3, 202511mo ago · Modified Jun 17, 20261w ago
10.0 CVSS 3.1
Critical
Find Similar
Published Aug 3, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
10.0
Exploitability
3.9
Impact
6.0
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
28.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-193

Affected Products 1

VendorProductVersionRange
esiperf3*≥3.2  –  <3.19.1

References 3

  • github.com https://github.com/esnet/iperf/commit/4e5313bab0b9b3fe03513ab54f722c8a3e4b7bdf
    Patch
  • github.com https://github.com/esnet/iperf/releases/tag/3.19.1
    Release Notes
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/08/msg00020.html

Remediation

  • github.com https://github.com/esnet/iperf/commit/4e5313bab0b9b3fe03513ab54f722c8a3e4b7bdf
    Patch