XXE in Lantronix Device Installer

CVE-2025-4338

Lantronix Device installer is vulnerable to XML external entity (XXE) attacks in configuration files read from the network device. An attacker could obtain credentials, access these network devices, and modify their configurations. An attacker may also gain access to the host running the Device Installer software or the password hash of the user running the application.

Vulnerability class: XXE (XML External Entity)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (12.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-4338: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-4338?
CVE-2025-4338 is a medium-severity vulnerability in Lantronix Device Installer, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.8/10. Published 2025-05-22.
How severe is CVE-2025-4338?
Medium severity. CVSS v3 base score is 6.8 out of 10.