Description
In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.
Published: 2025-08-03
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4281-1 iperf3 security update
EUVD EUVD EUVD-2025-23456 In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.
Ubuntu USN Ubuntu USN USN-7970-1 iperf3 vulnerabilities
History

Mon, 03 Nov 2025 19:30:00 +0000

Type Values Removed Values Added
References

Fri, 17 Oct 2025 20:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:iperf_project:iperf:*:*:*:*:*:*:*:* cpe:2.3:a:es:iperf3:*:*:*:*:*:*:*:*
Vendors & Products Iperf Project
Iperf Project iperf

Tue, 05 Aug 2025 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Iperf Project
Iperf Project iperf
CPEs cpe:2.3:a:iperf_project:iperf:*:*:*:*:*:*:*:*
Vendors & Products Iperf Project
Iperf Project iperf

Tue, 05 Aug 2025 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Es
Es iperf3
Vendors & Products Es
Es iperf3

Mon, 04 Aug 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 04 Aug 2025 12:15:00 +0000

Type Values Removed Values Added
Title iperf3: iperf Heap Buffer Overflow
References
Metrics threat_severity

None

threat_severity

Moderate


Sun, 03 Aug 2025 01:30:00 +0000

Type Values Removed Values Added
Description In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.
Weaknesses CWE-193
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-03T18:13:18.718Z

Reserved: 2025-07-21T00:00:00.000Z

Link: CVE-2025-54349

cve-icon Vulnrichment

Updated: 2025-08-04T13:10:47.476Z

cve-icon NVD

Status : Modified

Published: 2025-08-03T02:15:35.597

Modified: 2025-11-03T19:16:09.340

Link: CVE-2025-54349

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-08-03T00:00:00Z

Links: CVE-2025-54349 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-08-05T11:56:34Z

Weaknesses