Base64Decode Assertion Failure in iperf Affected by Malformed Authentication Attempt
CVE-2025-54350

3.7LOW

Key Information:

Vendor

Es

Status
Iperf3
Vendor
CVE Published:
3 August 2025

What is CVE-2025-54350?

The iperf software prior to version 3.19.1 contains a vulnerability in the iperf_auth.c module that leads to an assertion failure during Base64 decoding. This issue can be triggered by a malformed authentication attempt, resulting in an unexpected application exit. Users of this version are advised to upgrade to mitigate potential disruptions and enhance the security of their authentication processes.

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Affected Version(s)

iperf3 0 < 3.19.1

References

https://github.com/esnet/iperf/releases/tag/3.19.1
https://github.com/esnet/iperf/commit/4eab661da0bbaac0449...

CVSS V3.1

Score:
3.7
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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