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.

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)

EPSS: 0.017 (74.4th percentile) — read the EPSS interpretation.

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.

Affected products

Lantronix Provisioning Manager — versions 0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

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.