CVE-2025-54349

MEDIUMNVD 6.56.5—Trending — 4 sources updated this week

6.5

In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 52.7%
KEV: Not listed

Published

August 3, 2025

Last Modified

November 3, 2025

References (3)

cve@mitrehttps://github.com/esnet/iperf/commit/4e5313bab0b9b3fe03513ab54f722c8a3e4b7bdf
cve@mitrehttps://github.com/esnet/iperf/releases/tag/3.19.1
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/08/msg00020.html

Patch Availability(13)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libiperf0 (3.9-1+deb11u1ubuntu0.1) @ jammy	2026-05-30	ubuntu
redhat	iperf3-0:3.5-7.el8_4.2	2026-02-10	redhat
redhat	iperf3-0:3.5-7.el8_6.2	2026-02-10	redhat
redhat	iperf3-0:3.5-4.el8_2.2	2026-02-09	redhat
redhat	iperf3-0:3.5-7.el8_8.2	2026-02-09	redhat
redhat	iperf3-0:3.9-10.el9_2.2	2026-02-04	redhat
redhat	iperf3-0:3.17.1-4.el10_0.1	2026-02-04	redhat
redhat	iperf3-0:3.9-10.el9_0.2	2026-02-04	redhat
redhat	iperf3-0:3.9-11.el9_4.2	2026-02-03	redhat
redhat	iperf3-0:3.9-14.el9_6.1	2026-02-02	redhat
redhat	iperf3-0:3.9-14.el9_7.1	2026-01-29	redhat
redhat	iperf3-0:3.17.1-5.el10_1	2026-01-29	redhat
redhat	iperf3-0:3.5-12.el8_10	2026-01-29	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-193Off-by-one Error

All Vendor Advisories

(14)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 00:59 UTCEG score recompute
2026-05-30 00:59 UTCVendor advisory
2026-05-30 00:59 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-54349?

CVE-2025-54349 is a medium vulnerability published on August 3, 2025. In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.

When was CVE-2025-54349 disclosed?

CVE-2025-54349 was first published in the National Vulnerability Database on August 3, 2025, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-54349 actively exploited?

CVE-2025-54349 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-54349?

CVE-2025-54349 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2025-54349?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-54349, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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