CVE-2025-54349
Medium
Published: 03 August 2025
Published
03 August 2025
Modified
03 November 2025
KEV Added
—
Patch
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CVSS Score v3.1
6.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
EPSS Score
0.0029
52.8th percentile
Risk Priority
13
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2025-54349 is a medium-severity Off-by-one Error (CWE-193) vulnerability in Es Iperf3. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 47.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-23456
Vulnerability details
In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
es
iperf3
3.2 — 3.19.1
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.