XXE in Lantronix Provisioning Manager

CVE-2025-7766

Lantronix Provisioning Manager is vulnerable to XML external entity attacks in configuration files supplied by network devices, leading to unauthenticated remote code execution on hosts with Provisioning Manager installed.

Vulnerability class: XXE (XML External Entity)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% 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-2025-7766: held from 0.017 to 0.018.

EPSS over last 30 days · oldest: 0.017 · newest: 0.018 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-7766?
CVE-2025-7766 is a high-severity vulnerability in Lantronix Provisioning Manager, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.0/10. Published 2025-07-22.
How severe is CVE-2025-7766?
High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2025-7766 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.