CVE-2025-67038: Lantronix EDS5000 Code Injection Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 104 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 20.3%
EPSS score, percentile 97.5 of all scored records
- How severe?
- 9.3 Critical
CVSS v4.0 base score, given by the CNA
- What should I do?
CISA deadline . Apply mitigations in accordance with vendor instructions … Full text
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- 2.1.0.0R3 and earlier
- before 2.6.0.4R6
- before 2.6.0.4R6
- before 3.21.0.0R1
- before 3.21.0.0R1
Unaffected 2.2.0.0R1; 2.6.0.4R6; 2.6.0.4R6; 3.21.0.0R1; 3.21.0.0R1
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by CISA
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date for this action: .
Solution (from the CVE record)
Latronix has released the following updates addressing this vulnerability. For more information, see the Latronix Vulnerability Library ( https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgw ).
EDS5000 series: Upgrade to version 2.2.0.0R1 or later. The patch can be found here: https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032
G520 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here: https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1889828865/Latest+firmware+for+the+G520+Series+G526+G526RP+G527+G528
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
- https://nvd.nist.gov/vuln/detail/CVE-2025-67038
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 2.1.0.0R3 and earlier |
| Unaffected | 2.2.0.0R1 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | before 2.6.0.4R6 |
| Unaffected | 2.6.0.4R6 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | before 2.6.0.4R6 |
| Unaffected | 2.6.0.4R6 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | before 3.21.0.0R1 |
| Unaffected | 3.21.0.0R1 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | before 3.21.0.0R1 |
| Unaffected | 3.21.0.0R1 |
Versions not listed are: unaffected.
Versions the record lists as unaffected: 2.2.0.0R1, 2.6.0.4R6, 3.21.0.0R1.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this vulnerability
Lantronix EDS5000 contains a code injection vulnerability that could allow attackers to inject arbitrary OS commands into the username parameter. Injected commands are executed with root privileges.
Summary: CISA's KEV catalog, as of .
- CISA added CVE-2025-67038 to its Known Exploited Vulnerabilities (KEV) catalog on 23 Jun 2026.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 26 Jun 2026.
- The CVE record was published on 11 Mar 2026, 104 days before it was added to KEV.
- The CVE record carries a CVSS v4.0 base score of 9.3 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 20.3% (percentile 97.5), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
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 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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
Weakness
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| Added to CISA KEV | |
| CISA due date for the required action | |
| CVE record last updated |