Vulnerability · Published Aug 3, 2025 · Assigned by mitre

CVE-2025-54350

Low 3.7

In plain English

A low-severity security flaw in iperf3 from ES. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.5%top 58.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.22iperf33.19.1-r0ALPINE-CVE-2025-54350
Alpine:v3.23iperf33.19.1-r0ALPINE-CVE-2025-54350
Alpine:v3.24iperf33.19.1-r0ALPINE-CVE-2025-54350
Debian:12iperf33.12-1+deb12u2DEBIAN-CVE-2025-54350
Debian:13iperf33.18-2+deb13u1DEBIAN-CVE-2025-54350
Debian:14iperf33.19.1-1DEBIAN-CVE-2025-54350
Ubuntu:22.04:LTSiperf33.9-1+deb11u1ubuntu0.1USN-7970-1
Ubuntu:22.04:LTSiperf33.9-1+deb11u1ubuntu0.1UBUNTU-CVE-2025-54350
Ubuntu:25.10iperf33.18-2ubuntu0.1USN-7970-1
Ubuntu:25.10iperf33.18-2ubuntu0.1UBUNTU-CVE-2025-54350

Affected products (as reported)

VendorProductVersions
ES iperf3 0 – before 3.19.1

Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References