Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2025-67038

Lantronix EDS5000, G520, and X300 OS Command Injection

Lantronix / EDS5000 series · 0 to <= 2.1.0.0R3

Watch CVE-2025-67038 Browse KEV feed
Severity
CVSS 9.3 · Critical
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
20.0%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-67038 is an unauthenticated Lantronix EDS5000, G520, and X300 OS Command Injection. An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The HTTP RPC module executes a shell command to write logs when...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV. Also confirmed by third-party sources.

Who is affected?

Lantronix / EDS5000 series 0 to <= 2.1.0.0r3.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

An issue was discovered in Lantronix EDS5000 2.1.0.0R3

An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The HTTP RPC module executes a shell command to write logs when user's authentication fails. The username is directly concatenated with the command without any sanitization.

This allow attackers to inject arbitrary OS commands into the username parameter. Injected commands are executed with root privileges.

Lantronix Affected
EDS5000 series
Through 2.1.0.0R3
Lantronix Unaffected
EDS5000 series
2.2.0.0R1
Lantronix Affected
G520 series
Before 2.6.0.4R6
Lantronix Unaffected
G520 series
2.6.0.4R6
Lantronix Affected
X300 series
Before 2.6.0.4R6
Lantronix Unaffected
X300 series
2.6.0.4R6
Lantronix Affected
E210 series
Before 3.21.0.0R1
Lantronix Unaffected
E210 series
3.21.0.0R1
Lantronix Affected
E220 series
Before 3.21.0.0R1
Lantronix Unaffected
E220 series
3.21.0.0R1
Published
11 Mar 2026
Exploitation Reported
23 Jun 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

cisa

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 23 Jun 2026

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
CISA First 2026-06-23 00:00 UTC
CVE 2026-06-23 18:11 UTC
All CISA Advisories 2026-06-23 18:20 UTC
The Hacker News 2026-06-24 18:20 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v4.0

9.3 Critical

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS

20.0%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-78

Recent mention · The Hacker News

Realtek Jungle SDK Exploit Attempts Deliver Cling Botnet With STUN-Based C2

Ravie LakshmananOct 05, 2026Vulnerability / Malware Threat actors have been observed attempting to exploit a now-patched critical security flaw impacting the Realtek Jungle software development kit (SDK) to deploy a botnet malware called Cling. "Cling is notable not because...

Read full advisory

All CVSS Scores

CVSS v4.0 9.3 Critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

All Mentions

Recent mention · The Hacker News

Realtek Jungle SDK Exploit Attempts Deliver Cling Botnet With STUN-Based C2

The Hacker News · 05 Oct 2026

Ravie LakshmananOct 05, 2026Vulnerability / Malware Threat actors have been observed attempting to exploit a now-patched critical security flaw impacting the Realtek Jungle software development kit (SDK) to deploy a botnet malware called Cling. "Cling is notable not because it introduces a new propagation technique, but because it repurposes ordinary STUN behavior into a practical command-and-control channel," Nozomi Networks said in a report published last week. "The result is a botnet whose traffic can resemble legitimate NAT-traversal activity while still supporting propagation,...

Recent mention · The Hacker News

CISA Warns Critical Lantronix EDS5000 Flaw Is Being Actively Exploited

The Hacker News · 24 Jun 2026

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday warned of active exploitation of a critical security flaw impacting Lantronix EDS5000 Series devices, urging Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by June 26, 2026. The vulnerability in question is CVE-2025-67038 (CVSS score: 9.8), a code injection flaw that could result in the execution

Recent mention · All CISA Advisories

CISA Adds Four Known Exploited Vulnerabilities to Catalog

All CISA Advisories · 23 Jun 2026

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation.   CVE-2025-67038 Lantronix EDS5000 Code Injection Vulnerability CVE-2026-34908 Ubiquiti UniFi OS Improper Access Control Vulnerability CVE-2026-34909 Ubiquiti UniFi OS Path Traversal Vulnerability CVE-2026-34910 Ubiquiti UniFi OS Improper Input Validation Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04:...

Timeline

From disclosure to observed exploitation

  1. 18:20 UTC

    KEV confirmed by The Hacker News

    Exploitation attested by an external source

  2. 18:20 UTC

    KEV confirmed by All CISA Advisories

    Exploitation attested by an external source

  3. 18:11 UTC

    KEV confirmed by CVE

    Exploitation attested by an external source

  4. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  5. 00:00 UTC

    CVE published

    Vulnerability disclosed publicly

  6. 00:00 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2025-67038

Sample API response 
{
  "cve_id": "CVE-2025-67038",
  "confidence": "Confirmed",
  "cvss_score": 9.3,
  "cvss_estimated": false,
  "epss_score": 0.19956,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}