CVE-2025-54349

In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.

CVSS v3.1

6.5 MEDIUM

EPSS

0.40%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

EPSS Trend

Aug 16, 2026 → Sep 17, 2026

▲ 0.02pp

0.38% → 0.40% over 3 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

ScopeCHANGED

ConfidentialityLOW

IntegrityLOW

AvailabilityLOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

Connections

2 relationships

Timeline

disclosure → media coverage

Aug 3, 2025

Disclosure — published as a CVE record. · last revised by NVD Nov 3, 2025