Main menu

Search
Subscribe

  • Product Security

Security Solutions Overview

At Espressif Systems, product security is a top priority. We continuously strengthen our technologies to defend against evolving threats by leveraging in-house hardware and software innovations. By integrating robust security mechanisms at every stage of development, we ensure that our IoT solutions remain secure, reliable, and high performing.

  • Hardware Security
  • Network Security
  • Device Security
  • Trusted Execution
  • Secure Manufacturing
  • Lifecycle Security

State-of-the-Art Hardware Security

Espressif SoCs with Xtensa® and RISC-V equipped with advanced security features that form the trusted foundation of every device. With capabilities such as Secure Boot, External Memory Encryption, Digital Signature Peripheral, Cryptographic Accelerators, Memory Protection, and Hardware Isolation, the platform offers resilient protection against physical and remote attacks. These features are built using industry-standard cryptographic algorithms, helping customers meet the strict requirements of compliance and trust.

Secure Communication Across All Wireless Protocols

Espressif’s SDK ensures encrypted and authenticated communication over Wi-Fi, Bluetooth, and Thread. With support for Transport Layer Security (TLS) and secure provisioning mechanisms, devices can safely communicate with cloud services and other network peers. This comprehensive network security model guards against eavesdropping, spoofing, and data manipulation across all supported protocols.

Seamless Software Integration

Espressif provides fully integrated software components for securing every stage of the device lifecycle — including Secure OTA updates, Secure Network Provisioning, Encrypted Storage, and Secure Control APIs. These features are tightly coupled with the ESP-IDF and simplify the path to certification, compliance, and zero-trust architecture adoption for connected products.

Hardware-Enforced Trusted Execution Environment (ESP-TEE)

Espressif's Trusted Execution Environment (ESP-TEE) exclusively supported for RISC-V architecture, allows critical operations — such as cryptographic processing, key management, and secure APIs — to run in an isolated hardware-backed zone, fully separated from the main application. This secure enclave ensures that even if application-level code is compromised, sensitive tasks remain protected, enabling secure-by-design AIoT deployments.

Trusted Factory Provisioning with Customer-Controlled Keys

Espressif offers secure manufacturing flows that allow each device to be provisioned with a unique cryptographic identity, enabling seamless, certificate-based onboarding to major IoT cloud platforms.

Customers can choose between CA-based provisioning—where Espressif injects signed X.509 certificates—or self-managed provisioning, where device credentials are created and signed using secure hardware like HSMs or secure tokens. These signed credentials are securely transferred to Espressif for flashing without exposing private keys. This flexible approach gives customers full control over their root of trust while leveraging Espressif’s secure, high-volume manufacturing infrastructure.

End-to-End Product Security Lifecycle Support

Espressif enables long-term product security through tools and processes like SBOM generation, vulnerability analysis, and CVE tracking. A dedicated incident response process ensures prompt attention to reported issues. These mechanisms help product makers remain compliant with evolving global security regulations while maintaining a strong security posture across the entire product lifecycle.

Security Blogs and Guides

Security Specific Blog Posts

On the Developer Portal, you can learn about the latest security features of Espressif chips, the security framework in ESP-IDF, and knowledge related to security certifications.

Learn More >

Security Getting Started Guide

This guide provides an overview of the comprehensive security features available across Espressif’s various solutions, including platform security, network security, product security, and security policies.

Learn More >

Security Bug Bounty Program

PROGRAM OVERVIEW

To better align with the evolving security landscape and our optimized response workflows, the Espressif Security Bug Bounty Program has been revised, effective May 29, 2026. This initiative reflects our ongoing commitment to product security and our deep appreciation for the global research community.

  • Reward: Bug bounty rewards typically range from USD $200 to $3,600 depending on severity and impact. Final reward amounts are at Espressif’s sole discretion.
  • Acknowledgment: Espressif aims to acknowledge receipt within 7 business days and provide a tracking reference ID for your submission.
  • Timeline: Per the ESIRP process: Evaluation ~4 weeks, Corrective Actions ~8 weeks, Public Disclosure ~12 weeks from report. Actual timelines may vary depending on severity and complexity.
  • Disclosure: Espressif follows a coordinated vulnerability disclosure process (~90 days). Reporters agree not to disclose publicly before Espressif releases advisories and/or fixes.
  • Safe Harbor: Espressif will not pursue legal action against security researchers who report vulnerabilities in good faith, comply with this program’s terms, and follow the coordinated disclosure process.
  • Out of Scope: Vulnerabilities in third-party libraries, third-party services not operated by Espressif, example-only code (unless the same pattern exists in production SDK), and issues in software outside the longevity commitment period.

HOW TO REPORT A SECURITY ISSUE?

Download and fill out the Espressif_Security_Vulnerability_Report_Form_v1.1.pdf

Send the completed form along with any technical write-ups, logs, or Proof of Concepts (PoCs) to:

Note: Incomplete, vague, or false reports will not be accepted. Espressif may request additional clarification or evidence during the reproduction phase if necessary. To ensure the effectiveness of this program, please do not publicize any issues without prior notice to Espressif. Additionally, all vulnerability details must remain strictly confidential until Espressif has officially released the patches or security advisories.

BOUNTY PAYMENTS

Payments are generally made via bank transfer.

Recipients are responsible for any applicable taxes and compliance with local laws and regulations.

RIGHTS RESERVED

Espressif reserves the right to determine whether a bug report is valid. All decisions made by Espressif are final and binding.

We look forward to your participation!

Security Incident Response Process

Espressif is committed to ensuring the security of its products and software solutions. We recognize that security incidents are a constant threat, and we place a high priority on responding to and mitigating them in a timely and effective manner.

This document highlights the process for dealing with security incidents that may arise in Espressif hardware products and software solutions. This policy will be regularly reviewed and updated to ensure that it remains effective and aligned with the industry best practices.

Download

Find Espressif's Latest Security Advisories