CVE-2025-54349

MEDIUM
Published Aug 3, 2025 Modified Nov 3, 2025 CWE-193

Description

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

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CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

Weakness Type (CWE)

CWE-193 CWE-193

Affected Products

Vendor Product
es iperf3

References

Frequently Asked Questions

What is CVE-2025-54349? +
In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2025-54349? +
CVE-2025-54349 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-54349? +
CVE-2025-54349 affects products from es, specifically: iperf3. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-54349? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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