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CVE-2025-54350

Quick assessment

Affected
ES iperf3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

iperf是ESnet开源的一种主动测量 IP 网络上可实现的最大带宽的工具。 iperf 3.19.1之前版本存在安全漏洞，该漏洞源于iperf_auth.c存在Base64解码断言失败，可能导致应用程序退出。

CVSS 3.7 · Low EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-54350

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
iperf 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
iperf是ESnet开源的一种主动测量 IP 网络上可实现的最大带宽的工具。 iperf 3.19.1之前版本存在安全漏洞，该漏洞源于iperf_auth.c存在Base64解码断言失败，可能导致应用程序退出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ES iperf3 0 ~ 3.19.1 -

II. Public POCs for CVE-2025-54350

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III. Intelligence Information for CVE-2025-54350

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Same Patch Batch · ES · 2025-08-03 · 3 CVEs total

CVE-2025-54351 8.9 HIGH iperf 安全漏洞
CVE-2025-54349 6.5 MEDIUM iperf 安全漏洞

IV. Related Vulnerabilities

Same product: iperf3
Same vendor: ES
Same weakness: CWE-617

V. Comments for CVE-2025-54350

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