CVE-2025-67038
CriticalExploitedPublic exploitThe HTTP RPC module executes a shell command to write logs when user's authantication fails.
Published Mar 11, 2026 · Updated Sep 8, 2026
Key Facts
Patch immediately- CVE-2025-67038 is a critical-severity vulnerability (CVSS 9.3 v4) affecting E213f102s Firmware (Lantronix), E214f002s Firmware (Lantronix), E214f00cs Firmware (Lantronix) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 23, 2026. Public exploit code is available.
- EPSS estimates a 20% probability of exploitation in the next 30 days.
- Fixed versions are available, including E210 series 3.21.0.0R1, E220 series 3.21.0.0R1, G520 series 2.6.0.4R6.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v4
9.3
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 (30-day exploit likelihood)
20%
Higher than 97.4% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-67038 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jun 23, 2026 | Jun 26, 2026 | Not reported |
| Industry KEV feed | Jun 23, 2026 | Jun 26, 2026 | Not reported |
| CIRCL KEV | Jun 23, 2026 | Jun 26, 2026 | Not reported |
| ENISA EUVD | Jun 23, 2026 | n/a | Not reported |
Required action: 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.
Affected Products
45 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| E213f102s FirmwareLantronix | See advisory | 3.21.0.0R1 |
| E214f002s FirmwareLantronix | See advisory | 3.21.0.0R1 |
| E214f00cs FirmwareLantronix | See advisory | 3.21.0.0R1 |
| E214g000s FirmwareLantronix | See advisory | 3.21.0.0R1 |
| E214g001s FirmwareLantronix | See advisory | 3.21.0.0R1 |
Patched Releases
E210 series
3.21.0.0R1
E220 series
3.21.0.0R1
G520 series
2.6.0.4R6
E213f102s Firmware
3.21.0.0R1
E214f002s Firmware
3.21.0.0R1
E214f00cs Firmware
3.21.0.0R1
E214g000s Firmware
3.21.0.0R1
E214g001s Firmware
3.21.0.0R1
E218f004s Firmware
3.21.0.0R1
E218g107s Firmware
3.21.0.0R1
E228g002s Firmware
3.21.0.0R1
E228g004s Firmware
3.21.0.0R1
E228g00cb28 Firmware
3.21.0.0R1
E228g00cs Firmware
3.21.0.0R1
Eds5008 Firmware
2.2.0.0r1
Eds5016 Firmware
2.2.0.0r1
Eds5032 Firmware
2.2.0.0r1
G526gp12s Firmware
2.6.0.4R6
G526gp17s Firmware
2.6.0.4R6
G526gp1as Firmware
2.6.0.4R6
G526gp1asg Firmware
2.6.0.4R6
G526gp1cs Firmware
2.6.0.4R6
G527gp22s Firmware
2.6.0.4R6
G527gp27s Firmware
2.6.0.4R6
G527gp2as Firmware
2.6.0.4R6
Timeline
Publicly disclosed
Mar 11, 2026
Added to CISA KEV
Jun 23, 2026
Added to Industry KEV feed
Jun 23, 2026
Added to CIRCL KEV
Jun 23, 2026
Added to ENISA EUVD
Jun 23, 2026
Last updated
Sep 8, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisoryhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-069-02
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- otherhttp://eds5000.com
FAQ
Common Questions.
An issue was discovered in Lantronix EDS5000 2.1.0.0R3.
Affected: E213f102s Firmware (Lantronix); E214f002s Firmware (Lantronix); E214f00cs Firmware (Lantronix), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 23, 2026.
Yes. It was added on Jun 23, 2026 with a federal remediation due date of Jun 26, 2026.
Public exploit code is available.
Fixed versions are available, including E210 series 3.21.0.0R1, E220 series 3.21.0.0R1, G520 series 2.6.0.4R6.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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