CVE-2025-54349

MEDIUM
2025-08-03 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:05 vuln.today
Patch Released
Mar 28, 2026 - 19:05 nvd
Patch available
CVE Published
Aug 03, 2025 - 02:15 nvd
MEDIUM 6.5

Tags

Buffer Overflow Iperf3 Redhat Suse

Description

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

Analysis

In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required.

Technical Context

This vulnerability is classified under CWE-193. In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow. Affected products include: Es Iperf3. Version information: before 3.19.1.

Affected Products

Es Iperf3.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

Vendor Status

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CVE-2025-54349 vulnerability details – vuln.today
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