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PatchSiren cyber security CVE debrief

CVE-2025-59780 General Industrial Controls CVE debrief

CVE-2025-59780 affects General Industrial Controls Lynx+ Gateway. According to CISA’s advisory, the embedded web server lacks critical authentication, allowing unauthenticated GET requests to retrieve sensitive device information. The advisory was published on 2025-11-13 and assigns CVSS 3.1 7.5 (HIGH), reflecting a network-reachable confidentiality issue with no privileges or user interaction required.

Vendor
General Industrial Controls
Product
Lynx+ Gateway
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2025-11-13
Original CVE updated
2025-11-13
Advisory published
2025-11-13
Advisory updated
2025-11-13

Who should care

OT/ICS operators, plant engineers, asset owners, and defenders responsible for General Industrial Controls Lynx+ Gateway devices—especially any deployment where the embedded web server is reachable from broader plant, enterprise, or remote-access networks.

Technical summary

CISA’s CSAF entry describes a missing-authentication flaw in the Lynx+ Gateway embedded web server. The issue is network-based, requires no privileges and no user interaction, and is described as enabling GET requests that expose sensitive device information. The supplied CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, which indicates a confidentiality impact only.

Defensive priority

High. This is a remotely reachable, unauthenticated information disclosure issue in an industrial control product. Even without evidence of active exploitation in the supplied sources, exposed management interfaces should be treated as urgent hardening targets.

Recommended defensive actions

  • Inventory all General Industrial Controls Lynx+ Gateway deployments and identify where the embedded web server is reachable.
  • Restrict management access with OT network segmentation, ACLs, allowlists, VPNs, and jump hosts.
  • Remove direct exposure of the web interface to untrusted or broad network zones whenever possible.
  • Contact GIC at [email protected] for vendor guidance and update availability, and monitor the CISA advisory for revisions.
  • Apply CISA ICS recommended practices and defense-in-depth guidance for industrial environments, including monitoring for unexpected web access to device management endpoints.

Evidence notes

Primary evidence comes from the CISA CSAF advisory ICSA-25-317-08 (published 2025-11-13), which states the product is missing critical authentication in the embedded web server and that attackers could use GET requests to obtain sensitive device information. The advisory lists CVSS 3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (7.5) and notes that GIC did not respond to CISA’s coordination attempts.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-59780 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-59780

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

  • CVE-2025-59780 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-59780

    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-25-317-08.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-317-08

    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/news-events/ics-alerts/ics-alert-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    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.