What’s Vulnerable › Vulnerabilities

CVE-2020-28144

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-03 · updated 2026-06-17
• Weakness: CWE-119

Description

Certain Moxa Inc products are affected by an improper restriction of operations in EDR-G903 Series Firmware Version 5.5 or lower, EDR-G902 Series Firmware Version 5.5 or lower, and EDR-810 Series Firmware Version 5.6 or lower. Crafted requests sent to the device may allow remote arbitrary code execution.

Affected products

• Moxa Edr-810-2Gsfp-T Firmware: through 5.6
• Moxa Edr-810-2Gsfp Firmware: through 5.6
• Moxa Edr-810-Vpn-2Gsfp-T Firmware: through 5.6
• Moxa Edr-810-Vpn-2Gsfp Firmware: through 5.6
• Moxa Edr-G902-T Firmware: through 5.5
• Moxa Edr-G902 Firmware: through 5.5
• Moxa Edr-G903-T Firmware: through 5.5
• Moxa Edr-G903 Firmware: through 5.5

References

• https://www.moxa.com/en/support/support/security-advisory/edr-g903-g902-810-secure-router-vulnerability
• https://www.moxa.com/en/support/support/security-advisory/edr-g903-g902-810-secure-router-vulnerability

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