# CVE-2025-54349

## Summary

- **CVE ID:** CVE-2025-54349
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L)
- **CWE:** CWE-193
- **Published:** Aug 3, 2025
- **Last Modified:** Mar 12, 2026

## Description

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

## Affected Products

- ES — iperf3 (0)

## References

- [CNA](https://github.com/esnet/iperf/commit/4e5313bab0b9b3fe03513ab54f722c8a3e4b7bdf)
- [CNA](https://github.com/esnet/iperf/releases/tag/3.19.1)
- [CVE](https://lists.debian.org/debian-lts-announce/2025/08/msg00020.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.38%
- **EPSS Percentile:** 31.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._