Out-of-bounds read in ICS-CERT Moxa IKS, EDS
Priority MEDIUM 44CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Moxa IKS and EDS fails to properly check array bounds which may allow an attacker to read device memory on arbitrary addresses, and may allow an attacker to retrieve sensitive data or cause device reboot.
Why it matters now
EPSS 0.0254 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ICS-CERT | Moxa IKS, EDS | IKS-G6824A series Versions 4.5 and prior, EDS-405A series Version 3.8 and prior, EDS-408A series Version 3.8 and prior, and EDS-510A series Version 3.8 and prior | — | No fix listed | CNA |
- Moxa IKS, EDS VendorICS-CERT Affected IKS-G6824A series Versions 4.5 and prior, EDS-405A series Version 3.8 and prior, EDS-408A series Version 3.8 and prior, and EDS-510A series Version 3.8 and prior Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:moxa:iks-g6824a_firmware:*:*:*:*:*:*:*:* | up to 4.5 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:iks-g6824a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:eds-405a_firmware:*:*:*:*:*:*:*:* | up to 3.8 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:eds-405a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:eds-408a_firmware:*:*:*:*:*:*:*:* | up to 3.8 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:eds-408a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:eds-510a_firmware:*:*:*:*:*:*:*:* | up to 3.8 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:eds-510a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
- cpe:2.3:o:moxa:iks-g6824a_firmware:*:*:*:*:*:*:*:* Versions up to 4.5 Vulnerable ·Moxa
- cpe:2.3:h:moxa:iks-g6824a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:eds-405a_firmware:*:*:*:*:*:*:*:* Versions up to 3.8 Vulnerable ·Moxa
- cpe:2.3:h:moxa:eds-405a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:eds-408a_firmware:*:*:*:*:*:*:*:* Versions up to 3.8 Vulnerable ·Moxa
- cpe:2.3:h:moxa:eds-408a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:eds-510a_firmware:*:*:*:*:*:*:*:* Versions up to 3.8 Vulnerable ·Moxa
- cpe:2.3:h:moxa:eds-510a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-6522
- 2026-10-03 Alias added: GHSA-j83f-2hmq-pjmf
References
More Moxa Eds-405a Firmware vulnerabilities
- TI-2019-04611 Several buffer overflow vulnerabilities have been identified in Moxa IKS and EDS, which may allow remote code execution. CVSS 3.1CRITICAL 9.8
- TI-2019-04578 Missing brute-force protection in ICS-CERT Moxa IKS, EDS CVSS 3.1CRITICAL 9.8
- TI-2019-04617 Moxa IKS and EDS generate a predictable cookie calculated with an MD5 hash, allowing an… CVSS 3.1CRITICAL 9.8
- TI-2019-04580 Cleartext transmission of sensitive information in Moxa IKS, EDS CVSS 3.1CRITICAL 9.8
- TI-2015-05427 The administrative web interface on Moxa EDS-405A and EDS-408A switches with firmware… CVSS 2.0HIGH 8.5
- TI-2019-04615 Cross-site request forgery in ICS-CERT Moxa IKS, EDS CVSS 3.1HIGH 8.8
Sources
- CVE-2019-6522 · CVE Program
- CVE-2019-6522 · NVD
- FIRST EPSS
- GHSA-j83f-2hmq-pjmf · GitHub Advisory Database · CC BY 4.0
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