Medium severity · published Aug 3, 2025
CVE-2025-54350
In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IP
Iperf3 · ES
3.2 before 3.19.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-54350
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-54350
Patch
https://github.com/esnet/iperf/commit/4eab661da0bbaac04493fa40164e928c6df7934a
Release Notes
https://github.com/esnet/iperf/releases/tag/3.19.1
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/08/msg00020.html
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