CVE-2023-46894: Espressif Esptool

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue discovered in esptool 4.6.2 allows attackers to view sensitive information via weak cryptographic algorithm.

Affected products

• Espressif Esptool: version 4.6.2 only

Published 2023-11-09. Last modified 2026-06-17.