Security readout for executives and security teams
Plain-English summary
CVE-2025-67039 is a critical authentication bypass affecting Lantronix EDS3000PS 3.1.0.0R2 management pages. A remote unauthenticated attacker may access protected management functions by manipulating the request. This creates high risk to device confidentiality and integrity if the management interface is reachable.
Executive priority
Treat as urgent for any exposed Lantronix EDS3000PS management interface. Prioritize discovery, network restriction, and vendor remediation tracking, especially in operational technology environments where device configuration integrity matters.
Technical view
The CVE describes CWE-288 authentication bypass on Lantronix EDS3000PS 3.1.0.0R2. The reported condition involves appending a specific URL suffix and sending an Authorization header using “admin” as the username. CVSS 3.1 is 9.1: network attack vector, low complexity, no privileges, no user interaction, high confidentiality and integrity impact.
Likely exposure
Exposure is most likely where Lantronix EDS3000PS 3.1.0.0R2 management pages are reachable from the internet, enterprise networks, or less-trusted OT segments. The source bundle does not provide complete CPE or broader version data.
Exploitation context
No CISA KEV listing or cited source in the bundle confirms active exploitation. However, the described bug is remotely reachable, requires no credentials, and targets management pages, making exposed devices urgent to assess.
Researcher notes
Evidence is limited to the CVE description and CISA advisory reference in the provided bundle. Affected product metadata is incomplete, and no official fix details are included here. Avoid assuming other Lantronix models or versions are affected without vendor confirmation.
Mitigation direction
- Review the CISA advisory and Lantronix guidance for official remediation.
- Remove public exposure of affected management interfaces.
- Restrict management access to trusted administration networks or VPNs.
- Apply vendor-provided firmware updates or workarounds when available.
- Increase monitoring for suspicious access to device management pages.
Validation and detection
- Inventory Lantronix EDS3000PS devices in all environments.
- Confirm whether firmware version 3.1.0.0R2 is deployed.
- Identify management interfaces reachable from internet or untrusted networks.
- Review logs for unusual unauthenticated management-page requests.
- Track the CVE and CISA advisory for updated affected-version details.
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-288: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-67039 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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.
Authentication Bypass Using an Alternate Path or Channel
Authentication Bypass Using an Alternate Path or Channel represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.