10

CVE-2025-54351: es iperf3 Unprotected Alternate Channel

CVSS: 10.0v3.1CriticalAnalyzed
AliasesALPINE-CVE-2025-54351UBUNTU-CVE-2025-54351
Published 03-08-2025Last modified 04-08-2025
Open JSON

Vulnerability summary

CVE-2025-54351 is a critical (CVSS 10.0) Unprotected Alternate Channel vulnerability in es iperf3. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.9% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
Critical · v3.1 (NVD)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
OPENSUSE-SU-2025:15414-1SUSE-SU-2025:02749-1

Timeline

  1. 03-08-2025
    PublishedVulnerability first disclosed.
  2. 04-08-2025
    Last modifiedVulnerability information updated.

Description

In iperf before 3.19.1, net.c has a buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv).

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

0.00 pp

From 0.41% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • iperf3< 3.19.1-r0
Es1 product
Ubuntu1 product
  • iperf3All versions (No fix recorded)

3 vendors · 3 products

References

5 links