5.3

CVE-2025-54350: es iperf3 Reachable Assertion

CVSS: 5.3v3.1MediumModified
AliasesALPINE-CVE-2025-54350UBUNTU-CVE-2025-54350DEBIAN-CVE-2025-54350
Published 03-08-2025Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2025-54350 is a medium (CVSS 5.3) Reachable Assertion vulnerability in es iperf3. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.4% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.43%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 3
DLA-4281-1MGASA-2026-0021OPENSUSE-SU-2025:15414-1SUSE-SU-2025:02749-1USN-7970-1

Timeline

  1. 03-08-2025
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

+0.02 pp

From 0.42% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.43%

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≥ 3.2, < 3.19.1-r0
Debian1 product
  • iperf3< 3.12-1+deb12u2 | < 3.18-2+deb13u1 | < 3.19.1-1
Es1 product
  • iperf3< 3.19.1 | ≥ 3.2, < 3.19.1
Ubuntu1 product
  • iperf3< 3.7-3ubuntu0.1~esm2 | < 3.9-1+deb11u1ubuntu0.1 | < 3.16-1ubuntu0.1~esm1 | < 3.18-2ubuntu0.1

4 vendors · 4 products

References

9 links