CVE-2025-54350
iperf3: iperf Authentication Decode Failure
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 3, 2025
Updated · June 30, 2026
Description
A flaw was found in iperf3. A malformed Base64-encoded authentication string triggers an assertion failure within the iperf_auth.c file, leading to application termination. This vulnerability allows a network attacker to induce this failure by sending a crafted authentication attempt, resulting in an application-level denial of service condition.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-617 · Reachable Assertion