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No exploitation reportedFix available

CVE-2025-54351

No exploitation reported by the sources we read.

  • Published2025-08-03
  • WeaknessCWE-420

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, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).

Timeline

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

Versions per branch

NVD
Es iperf3
BranchAffectedFixed in
3.19= 3.19no fix published

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
  • iperf3Ubuntu:26.10all versions · no fixed version listed
  • iperf3Ubuntu:25.10all versions · no fixed version listed
  • iperf3Alpine:v3.24all versions · fixed in 3.19.1-r0

5 more package ranges on OSV.dev

Vendor advisories

Full record on NVD

Fix

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:C/C:H/I:H/A:H
Published
2025-08-03
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-xjwm-4pfw-49g2

Frequently asked questions

What is CVE-2025-54351?

In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).

Is CVE-2025-54351 actively exploited?

Active exploitation of CVE-2025-54351 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-2025-54351?

CVE-2025-54351 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

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