CVE-2023-34213

9.8 criticalEPSS 0.8%

Critical (9.8) in moxa tn-5900 firmware. EPSS 0.8% chance of exploitation in the next 30 days.

TN-5900 Series firmware versions v3.3 and prior are vulnerable to command-injection vulnerability. This vulnerability stems from insufficient input validation and improper authentication in the key-generation function, which could potentially allow malicious users to execute remote code on affected devices.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-78
Published: 2023-08-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

moxa:tn-5900_firmware

References

https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities

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