Security readout for executives and security teams
Plain-English summary
Lantronix EDS3000PS 3.1.0.0R2 management pages may be accessed without valid authentication. A remote, unauthenticated attacker could potentially view sensitive information or change device settings. The supplied CVSS score is 9.1, reflecting serious confidentiality and integrity risk, although no availability impact is claimed.
Executive priority
Treat confirmed EDS3000PS 3.1.0.0R2 deployments as an urgent remediation priority, especially when management interfaces are externally reachable. Immediately reduce network exposure, investigate suspicious administrative activity, and obtain authoritative firmware guidance. Evidence supplied here does not confirm active exploitation.
Technical view
The flaw is an authentication bypass classified as CWE-288. According to the CVE description, a specially modified management-page URL combined with an Authorization header using the username "admin" can bypass authentication. The CVSS 3.1 vector indicates network reachability, low complexity, no privileges, no user interaction, unchanged scope, and high confidentiality and integrity impact.
Likely exposure
Exposure is most likely where an EDS3000PS running 3.1.0.0R2 has its management interface reachable from untrusted networks. Internal-only devices remain at risk from compromised hosts or unauthorized insiders. The supplied affected-product metadata is incomplete, so organizations should confirm models and firmware directly in their inventories.
Exploitation context
The weakness appears remotely exploitable without credentials or user interaction, based on the supplied CVSS vector and description. However, the source bundle does not establish public exploitation, proof-of-concept availability, or active attacks, and the CVE is not listed as KEV in the provided data.
Researcher notes
The record identifies version 3.1.0.0R2 in its title and description, but its structured affected-product fields are listed as unavailable. No patch version or vendor mitigation is included. Testing should remain authorized and non-disruptive; focus on authentication consistency, logging evidence, network exposure, and vendor-confirmed remediation without reproducing the bypass technique.
Mitigation direction
- Restrict management interfaces to trusted administrative networks and hosts.
- Block direct internet access to affected device management pages.
- Confirm current remediation guidance and fixed firmware availability with Lantronix or CISA.
- Upgrade only to a vendor-approved fixed release when identified.
- Monitor management access for unexpected requests, configuration changes, and administrative activity.
Validation and detection
- Inventory EDS3000PS devices and record their exact firmware versions.
- Verify whether any management interface is reachable from internet or untrusted network segments.
- Review access logs for anomalous management-page requests and unauthorized administrative activity.
- Confirm access controls restrict management traffic to approved administrator systems.
- After remediation, verify legitimate authentication is required across all management pages.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-288: Exact CWE lookup
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Open ATT&CK lookupCVE-2025-67039 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N3.95.2CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-069-02CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE mapping pending import
This CVE carries a CWE mapping that will resolve to a full Glexia CWE intelligence page after the official CWE import is complete.