Web Server Buffer Overflow Vulnerability
Priority LOW 39CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them vulnerable to the denial-of-service vulnerability. This vulnerability stems from insufficient input validation in the URI, potentially enabling malicious users to trigger the device reboot.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00529 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Moxa | EDR-810 Series | 1.0 – 5.12.28 | — | No fix listed | CNA |
| Moxa | EDR G902 Series | 1.0 – 5.7.20 | — | No fix listed | CNA |
| Moxa | EDR G903 Series | 1.0 – 5.7.20 | — | No fix listed | CNA |
- EDR-810 Series VendorMoxa Affected 1.0 – 5.12.28 Fixed in — No fix listed CNA
- EDR G902 Series VendorMoxa Affected 1.0 – 5.7.20 Fixed in — No fix listed CNA
- EDR G903 Series VendorMoxa Affected 1.0 – 5.7.20 Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:moxa:edr-g903_firmware:*:*:*:*:*:*:*:* | before 5.7.21 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-g903:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-g903-t_firmware:*:*:*:*:*:*:*:* | before 5.7.21 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-g903-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-g902_firmware:*:*:*:*:*:*:*:* | before 5.7.21 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-g902:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-g902-t_firmware:*:*:*:*:*:*:*:* | before 5.7.21 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-g902-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-810-vpn-2gsfp_firmware:*:*:*:*:*:*:*:* | before 5.12.29 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-810-vpn-2gsfp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
- cpe:2.3:o:moxa:edr-g903_firmware:*:*:*:*:*:*:*:* Versions before 5.7.21 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-g903:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-g903-t_firmware:*:*:*:*:*:*:*:* Versions before 5.7.21 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-g903-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-g902_firmware:*:*:*:*:*:*:*:* Versions before 5.7.21 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-g902:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-g902-t_firmware:*:*:*:*:*:*:*:* Versions before 5.7.21 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-g902-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-810-vpn-2gsfp_firmware:*:*:*:*:*:*:*:* Versions before 5.12.29 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-810-vpn-2gsfp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:moxa:edr-810-vpn-2gsfp-t_firmware:*:*:*:*:*:*:*:* | before 5.12.29 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-810-vpn-2gsfp-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-810-2gsfp_firmware:*:*:*:*:*:*:*:* | before 5.12.29 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-810-2gsfp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:edr-810-2gsfp-t_firmware:*:*:*:*:*:*:*:* | before 5.12.29 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:edr-810-2gsfp-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
- cpe:2.3:o:moxa:edr-810-vpn-2gsfp-t_firmware:*:*:*:*:*:*:*:* Versions before 5.12.29 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-810-vpn-2gsfp-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-810-2gsfp_firmware:*:*:*:*:*:*:*:* Versions before 5.12.29 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-810-2gsfp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:edr-810-2gsfp-t_firmware:*:*:*:*:*:*:*:* Versions before 5.12.29 Vulnerable ·Moxa
- cpe:2.3:h:moxa:edr-810-2gsfp-t:-:*:*:*:*:*:*:* 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-2023-4452
- 2026-10-03 Alias added: GHSA-q3h7-7995-v94c
References
More Moxa Edr-810-2gsfp-t Firmware vulnerabilities
- TI-2020-17111 Certain Moxa Inc products are affected by an improper restriction of operations in… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-4452 · CVE Program
- CVE-2023-4452 · NVD
- FIRST EPSS
- GHSA-q3h7-7995-v94c · GitHub Advisory Database · CC BY 4.0
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