CVE-2025-67038Lantronix EDS5000, G520, and X300 OS Command Injection
- 9.3CriticalCVSS base score
- 21.1%Exploitation in 30 daysEPSS · top 2.4% of all CVEs
- YesKnown exploitedin CISA's KEV since 23 Jun 2026
- YesPublic exploitsa reference or SSVC says so
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Lantronix EDS5000 Code Injection Vulnerability.
- Added
- 23 Jun 2026
- Fix due (US federal)
- 26 Jun 2026
- Used by ransomware
- Not known
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.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 23 Jun 2026.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: it is being exploited.
Timeline
ID reserved
By mitre
- 3 months later
· 3 months later
Published
- 3 months later
· 3 months later
Added to CISA KEV
Known exploited in the wild
- 3 months later
· 3 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| icscertCNA (assigner) | 4.0 | Critical9.3 | 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 |
| icscertCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 4.0 | Critical9.3 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 21.1% · top 2.4% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.
Affected products
- affected ≤ 2.1.0.0R3
- unaffected 2.2.0.0R1
- affected < 2.6.0.4R6
- unaffected 2.6.0.4R6
- affected < 2.6.0.4R6
- unaffected 2.6.0.4R6
- affected < 3.21.0.0R1
- unaffected 3.21.0.0R1
- affected < 3.21.0.0R1
- unaffected 3.21.0.0R1
What to do
Solution: 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 ).
Solution: 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
Solution: 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
Solution: X300 series: Upgrade to version 2.6.0.4R6 or later. The patch can be found here: https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2135261185/Latest+firmware+for+the+X300+Series+X300+X303+X304
Solution: E210 series: Upgrade to version 3.21.0.0R1 or later. The patch can be found here: https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1914404865/Latest+firmware+ePack+for+the+E210+Series+E213+E214+E215+E218+Cellular+Routers
Solution: E220 series: Upgrade to version 3.21.0.0R1 or later. The patch can be found here: https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1914437633/Latest+firmware+ePack+for+the+E220+Series+E224+E225+E228+Cellular+Routers
Solution: For more information or technical assistance, contact Lantronix support ([email protected]). mailto:[email protected]
References
References4
- https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgw (opens in a new tab)
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-069-02 (opens in a new tab)
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-069-02.json (opens in a new tab)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-67038 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-208587 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-67038)Record last updated .