CVE-2025-54349 in iperf3 3.17

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

Severity

Critical 10.0

Exploitation

0% chance of exploit
in the next 30 days

Fix

Update to 3.19.1

Where

Workstation tool

How it matched

Exact version match

First seen

2026-11-05 01:13:58 UTC

Source

https://nvd.nist.gov/vuln/detail/CVE-2025-54349