CVE-2025-54349

10.0 criticalEPSS 0.4%

Critical (10.0) in es iperf3. EPSS 0.4% chance of exploitation in the next 30 days.

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

Severity

10.0 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-193
Published: 2025-08-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19