CVE-2023-5409: HP t430 Thin Client Firmware

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These models may be susceptible to a physical attack, allowing an untrusted source to tamper with the system firmware using a publicly disclosed private key. HP is providing recommended guidance for customers to reduce exposure to the potential vulnerability.

Affected products

• HP t430 Thin Client Firmware: affected versions not specified
• HP t638 Thin Client Firmware: affected versions not specified

Published 2023-10-13. Last modified 2026-06-17.