#VU113838 Buffer overflow in iperf - CVE-2025-54351

 

#VU113838 Buffer overflow in iperf - CVE-2025-54351

Published: August 12, 2025


Vulnerability identifier: #VU113838
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-54351
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
iperf
Software vendor:
ESnet

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary  when --skip-rx-copy is used (for MSG_TRUNC in recv). A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

External links