CVE-2025-54351

HIGH
Published Aug 3, 2025 Modified Oct 17, 2025 CWE-420

Description

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

CVSS v3.1 Score

8.9
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

Weakness Type (CWE)

CWE-420 CWE-420

Affected Products

Vendor Product
es iperf3

References

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). It has a CVSS v3.1 base score of 8.9 (HIGH).
How severe is CVE-2025-54351? +
CVE-2025-54351 has a CVSS v3.1 score of 8.9 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-54351? +
CVE-2025-54351 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-2025-54351? +
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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