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PatchSiren cyber security CVE debrief

CVE-2025-7766 Lantronix CVE debrief

CVE-2025-7766 affects Lantronix Provisioning Manager and is described by CISA as an XML External Entity (XXE) issue in configuration files supplied by network devices. The advisory says the flaw can lead to unauthenticated remote code execution on hosts with Provisioning Manager installed, and Lantronix recommends upgrading to version 7.10.4 or later.

Vendor
Lantronix
Product
Provisioning Manager
CVSS
HIGH 8
CISA KEV
Not listed in stored evidence
Original CVE published
2025-07-22
Original CVE updated
2025-07-22
Advisory published
2025-07-22
Advisory updated
2025-07-22

Who should care

Organizations running Lantronix Provisioning Manager, especially in OT or industrial environments that ingest configuration files from network devices. Administrators responsible for software inventory, patching, and change windows should prioritize affected installations.

Technical summary

The supplied CISA CSAF advisory identifies Lantronix Provisioning Manager versions <=7.10.2 as affected by an XXE vulnerability involving configuration files supplied by network devices. The advisory states this can result in unauthenticated remote code execution on hosts with the product installed. CISA lists the issue with CVSS v3.1 vector AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H and a score of 8.0 (High).

Defensive priority

High. The advisory describes a path to remote code execution and identifies a fixed release, so affected deployments should be treated as urgent patch candidates.

Recommended defensive actions

  • Upgrade Lantronix Provisioning Manager to version 7.10.4 or later, as recommended in the advisory.
  • Inventory all deployments to find versions <=7.10.2 and prioritize remediation for any active installations.
  • Review affected workflows that process device-supplied configuration files and schedule upgrades through normal maintenance and change-control processes.
  • Follow CISA ICS recommended practices and defense-in-depth guidance for industrial control system environments.

Evidence notes

CISA's advisory ICSA-25-203-02, published on 2025-07-22, states that Lantronix Provisioning Manager <=7.10.2 is affected by an XXE issue and that the result can be unauthenticated remote code execution. The advisory's remediation section recommends updating to v7.10.4 or later. The supplied CVSS vector is CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (8.0 High).

Sources and references

Verified primary and authoritative sources

  • CVE-2025-7766 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-7766

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-7766 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-7766

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-203-02.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-203-02

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ncas/tips/ST04-014

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.