CVE-2023-4452: Moxa Edr-810-2gsfp-T Firmware

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Moxa Edr-810-2gsfp-T Firmware: before 5.12.29 (fixed in 5.12.29)
• Moxa Edr-810-2gsfp Firmware: before 5.12.29 (fixed in 5.12.29)
• Moxa Edr-810-VPN-2gsfp-T Firmware: before 5.12.29 (fixed in 5.12.29)
• Moxa Edr-810-VPN-2gsfp Firmware: before 5.12.29 (fixed in 5.12.29)
• Moxa Edr-g902-T Firmware: before 5.7.21 (fixed in 5.7.21)
• Moxa Edr-g902 Firmware: before 5.7.21 (fixed in 5.7.21)
• Moxa Edr-g903-T Firmware: before 5.7.21 (fixed in 5.7.21)
• Moxa Edr-g903 Firmware: before 5.7.21 (fixed in 5.7.21)

Published 2023-11-01. Last modified 2026-06-17.