What’s Vulnerable › Vulnerabilities

CVE-2021-46559

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-26 · updated 2026-06-17
• Weakness: CWE-345

Description

The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.

Affected products

• Moxa TN-5900 Series: through 3.1

References

• https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerabilities
• https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerabilities

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