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No exploitation reportedFix available

CVE-2025-54350

No exploitation reported by the sources we read.

  • Published2025-08-03
  • Fixed in3.19.1
  • WeaknessCWE-617

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2025-08-0302:15CVE publishedNVD

Versions per branch

NVD
Es iperf3
BranchAffectedFixed in
3.x≥ 3.2, < 3.19.13.19.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As mitre, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • ES iperf3other versions: not affected
    Affected
    • < 3.19.1fixed in 3.19.1custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-08-03

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • iperfSUSE:Linux Enterprise Module for Package Hub 15 SP7all versions · fixed in 3.19.1-150000.3.15.1
  • iperfSUSE:Linux Enterprise Module for Package Hub 15 SP6all versions · fixed in 3.19.1-150000.3.15.1
  • iperfSUSE:Enterprise Storage 7.1all versions · fixed in 3.19.1-150000.3.15.1
  • iperfopenSUSE:Tumbleweedall versions · fixed in 3.19.1-1.1
  • iperfopenSUSE:Leap 15.6all versions · fixed in 3.19.1-150000.3.15.1
  • iperfMageia:9all versions · fixed in 3.18-1.1.mga9
  • iperf3Ubuntu:Pro:24.04:LTSall versions · fixed in 3.16-1ubuntu0.1~esm1
  • iperf3Ubuntu:Pro:20.04:LTSall versions · fixed in 3.7-3ubuntu0.1~esm2

22 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update Es iperf3 to 3.19.1

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published
2025-08-03
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-r6x8-74x9-5mc9

Frequently asked questions

What is 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.

Is CVE-2025-54350 actively exploited?

Active exploitation of CVE-2025-54350 has not been confirmed. Its EPSS score was 0.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-54350?

CVE-2025-54350 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

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Sources for this record