Stack-based buffer overflow in EDR-G902 and EDR-G903 Series Routers
Priority MEDIUM 45CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
Malicious operation of the crafted web browser cookie may cause a stack-based buffer overflow in the system web server on the EDR-G902 and EDR-G903 Series Routers (versions prior to 5.4).
Why it matters now
EPSS 0.01395 72nd percentileScored 2026-11-07
Fix Fixed EDR-G902 and EDR-G903 Series Routers: 5.4
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 |
|---|---|---|---|---|---|
| — | EDR-G902 and EDR-G903 Series Routers | before 5.4 | 5.4 | Patch available | CNA |
- EDR-G902 and EDR-G903 Series Routers Vendor— Affected before 5.4 Fixed in 5.4 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:moxa:edr-g902-t_firmware:*:*:*:*:*:*:*:* | up to 5.4 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-g902-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-g902_firmware:*:*:*:*:*:*:*:* | up to 5.4 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-g902:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-g903-t_firmware:*:*:*:*:*:*:*:* | up to 5.4 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-g903-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-g903_firmware:*:*:*:*:*:*:*:* | up to 5.4 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-g903:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
- cpe:2.3:o:moxa:edr-g902-t_firmware:*:*:*:*:*:*:*:* Versions up to 5.4 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-g902-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-g902_firmware:*:*:*:*:*:*:*:* Versions up to 5.4 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-g902:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-g903-t_firmware:*:*:*:*:*:*:*:* Versions up to 5.4 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-g903-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-g903_firmware:*:*:*:*:*:*:*:* Versions up to 5.4 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-g903:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
Remediation
- Fix · CNA EDR-G902 and EDR-G903 Series Routers Fixed in 5.4
Timeline
- 2026-10-02 Threatist record created from CVE-2020-14511
- 2026-10-03 Alias added: GHSA-3pp4-hx37-v55w
References
More Moxa Edr-g902-t Firmware vulnerabilities
- TI-2020-17111 Certain Moxa Inc products are affected by an improper restriction of operations in… CVSS 3.1CRITICAL 9.8
- TI-2023-04110 Web Server Buffer Overflow Vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2020-14511 · CVE Program
- CVE-2020-14511 · NVD
- FIRST EPSS
- GHSA-3pp4-hx37-v55w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences