Vulnerability in Es Iperf3

CVE-2025-54350

In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt.

EPSS: 0.001 (31.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Es Iperf3 — versions 0

Weakness classification (CWE)

CWE-617 — Reachable Assertion

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-54350?: CVE-2025-54350 is a low-severity vulnerability in Es Iperf3, classified under Reachable Assertion. CVSS score: 3.7/10. Published 2025-08-03.
How severe is CVE-2025-54350?: Low severity. CVSS v3 base score is 3.7 out of 10.
Is CVE-2025-54350 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.